Matlab crashes with Python 2.7 virtual environment on Linux [Manjaro]












1















So I have some code in Matlab that calls functions from Python's scikit-learn module. The problem is when I try to use Python 2.7 in a virtual environment created via Anaconda, it exits out with segmentation fault. This does not happen with Python 3.7 virtual environment created with Anaconda. The stack trace is as follows:



------------------------------------------------------------------------

       Segmentation violation detected at Thu Jan 24 15:59:14 2019

------------------------------------------------------------------------



Configuration:

  Crash Decoding      : Disabled - No sandbox or build area path

  Crash Mode          : continue (default)

  Current Graphics Driver: Unknown hardware 

  Current Visual      : 0x21 (class 4, depth 24)

  Default Encoding    : UTF-8

  Deployed            : false

  GNU C Library       : 2.28 stable

  Host Name           : h110

  MATLAB Architecture : glnxa64

  MATLAB Entitlement ID: 6257193

  MATLAB Root         : /run/media/mahieyin/STUFF/ProgramFiles/MATLAB/R2017a

  MATLAB Version      : 9.2.0.538062 (R2017a)

  OpenGL              : hardware

  Operating System    : Linux 4.19.14-1-MANJARO #1 SMP PREEMPT Wed Jan 9 17:17:37 UTC 2019 x86_64

  Processor ID        : x86 Family 6 Model 94 Stepping 3, GenuineIntel

  Virtual Machine     : Java 1.7.0_60-b19 with Oracle Corporation Java HotSpot(TM) 64-Bit Server VM mixed mode

  Window System       : The X.Org Foundation (12003000), display :0



Fault Count: 1





Abnormal termination:

Segmentation violation



Register State (from fault):

  RAX = 0000000000000000  RBX = 00007f21e0bb2fa0

  RCX = 0000000000000100  RDX = 0000000000000000

  RSP = 00007f227bb2a698  RBP = 0000000001003f00

  RSI = 0000000000000000  RDI = 0000000000000000



   R8 = 0000000000000100   R9 = 00000000010267b0

  R10 = 000000000000000e  R11 = 000000000000000f

  R12 = 0000000000000002  R13 = 00000000010256c8

  R14 = 00007f21e0d51bd0  R15 = 00007f2293355850



  RIP = 00007f229c166c1e  EFL = 0000000000010283



   CS = 0033   FS = 0000   GS = 0000



Stack Trace (from fault):

[  0] 0x00007f229c166c1e                                 /usr/lib/libc.so.6+01420318

[  1] 0x00007f22933f642d /run/media/mahieyin/STUFF/ProgramFiles/MATLAB/R2017a/bin/glnxa64/libcrypto.so.1.0.0+01106989 lh_insert+00000173

[  2] 0x00007f2293355c95 /run/media/mahieyin/STUFF/ProgramFiles/MATLAB/R2017a/bin/glnxa64/libcrypto.so.1.0.0+00449685 OBJ_NAME_add+00000101

[  3] 0x00007f21b23638cd /home/mahieyin/.conda/envs/py27/lib/python2.7/lib-dynload/_hashlib.so+00923853 openssl_add_all_ciphers_int+00000829

[  4] 0x00007f21b231284a /home/mahieyin/.conda/envs/py27/lib/python2.7/lib-dynload/_hashlib.so+00591946

[  5] 0x00007f229c1df4ff                           /usr/lib/libpthread.so.0+00062719

[  6] 0x00007f21b232677a /home/mahieyin/.conda/envs/py27/lib/python2.7/lib-dynload/_hashlib.so+00673658 CRYPTO_THREAD_run_once+00000010

[  7] 0x00007f21b2312eac /home/mahieyin/.conda/envs/py27/lib/python2.7/lib-dynload/_hashlib.so+00593580 OPENSSL_init_crypto+00000572

[  8] 0x00007f21b230bde2 /home/mahieyin/.conda/envs/py27/lib/python2.7/lib-dynload/_hashlib.so+00564706 init_hashlib+00000034

[  9] 0x00007f21b379418e /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01024398 _PyImport_LoadDynamicModule+00000158

[ 10] 0x00007f21b3792323 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01016611

[ 11] 0x00007f21b3792578 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01017208

[ 12] 0x00007f21b3792e8c /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01019532 PyImport_ImportModuleLevel+00000188

[ 13] 0x00007f21b3776006 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00901126

[ 14] 0x00007f21b36e5973 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00309619 PyObject_Call+00000067

[ 15] 0x00007f21b3777c38 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00908344 PyEval_CallObjectWithKeywords+00000072

[ 16] 0x00007f21b377d638 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00931384 PyEval_EvalFrameEx+00021672

[ 17] 0x00007f21b37816c9 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00947913 PyEval_EvalCodeEx+00002025

[ 18] 0x00007f21b37818ea /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00948458 PyEval_EvalCode+00000026

[ 19] 0x00007f21b379141e /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01012766 PyImport_ExecCodeModuleEx+00000174

[ 20] 0x00007f21b379169d /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01013405

[ 21] 0x00007f21b3792323 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01016611

[ 22] 0x00007f21b3792578 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01017208

[ 23] 0x00007f21b3792e8c /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01019532 PyImport_ImportModuleLevel+00000188

[ 24] 0x00007f21b3776006 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00901126

[ 25] 0x00007f21b36e5973 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00309619 PyObject_Call+00000067

[ 26] 0x00007f21b3777c38 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00908344 PyEval_CallObjectWithKeywords+00000072

[ 27] 0x00007f21b377d638 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00931384 PyEval_EvalFrameEx+00021672

[ 28] 0x00007f21b37816c9 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00947913 PyEval_EvalCodeEx+00002025

[ 29] 0x00007f21b37818ea /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00948458 PyEval_EvalCode+00000026

[ 30] 0x00007f21b379141e /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01012766 PyImport_ExecCodeModuleEx+00000174

[ 31] 0x00007f21b379169d /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01013405

[ 32] 0x00007f21b3792323 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01016611

[ 33] 0x00007f21b3792578 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01017208

[ 34] 0x00007f21b3792e8c /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01019532 PyImport_ImportModuleLevel+00000188

[ 35] 0x00007f21b3776006 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00901126

[ 36] 0x00007f21b36e5973 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00309619 PyObject_Call+00000067

[ 37] 0x00007f21b3777c38 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00908344 PyEval_CallObjectWithKeywords+00000072

[ 38] 0x00007f21b377d638 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00931384 PyEval_EvalFrameEx+00021672

[ 39] 0x00007f21b37816c9 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00947913 PyEval_EvalCodeEx+00002025

[ 40] 0x00007f21b37818ea /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00948458 PyEval_EvalCode+00000026

[ 41] 0x00007f21b379141e /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01012766 PyImport_ExecCodeModuleEx+00000174

[ 42] 0x00007f21b379169d /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01013405

[ 43] 0x00007f21b3792323 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01016611

[ 44] 0x00007f21b3792578 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01017208

[ 45] 0x00007f21b3792e8c /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01019532 PyImport_ImportModuleLevel+00000188

[ 46] 0x00007f21b3776006 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00901126

[ 47] 0x00007f21b36e5973 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00309619 PyObject_Call+00000067

[ 48] 0x00007f21b3777c38 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00908344 PyEval_CallObjectWithKeywords+00000072

[ 49] 0x00007f21b377d638 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00931384 PyEval_EvalFrameEx+00021672

[ 50] 0x00007f21b37816c9 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00947913 PyEval_EvalCodeEx+00002025

[ 51] 0x00007f21b37818ea /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00948458 PyEval_EvalCode+00000026

[ 52] 0x00007f21b379141e /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01012766 PyImport_ExecCodeModuleEx+00000174

[ 53] 0x00007f21b379169d /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01013405

[ 54] 0x00007f21b3792323 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01016611

[ 55] 0x00007f21b3792578 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01017208

[ 56] 0x00007f21b3792ecc /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01019596 PyImport_ImportModuleLevel+00000252

[ 57] 0x00007f21b3776006 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00901126

[ 58] 0x00007f21b36e5973 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00309619 PyObject_Call+00000067

[ 59] 0x00007f21b3777c38 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00908344 PyEval_CallObjectWithKeywords+00000072

[ 60] 0x00007f21b377d638 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00931384 PyEval_EvalFrameEx+00021672

[ 61] 0x00007f21b37816c9 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00947913 PyEval_EvalCodeEx+00002025

[ 62] 0x00007f21b37818ea /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00948458 PyEval_EvalCode+00000026

[ 63] 0x00007f21b379141e /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01012766 PyImport_ExecCodeModuleEx+00000174

[ 64] 0x00007f21b379169d /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01013405

[ 65] 0x00007f21b3792b1f /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01018655

[ 66] 0x00007f21b3792323 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01016611

[ 67] 0x00007f21b3792578 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01017208

[ 68] 0x00007f21b3792ecc /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01019596 PyImport_ImportModuleLevel+00000252

[ 69] 0x00007f21b3776006 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00901126

[ 70] 0x00007f21b36e5973 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00309619 PyObject_Call+00000067

[ 71] 0x00007f21b3777c38 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00908344 PyEval_CallObjectWithKeywords+00000072

[ 72] 0x00007f21b377d638 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00931384 PyEval_EvalFrameEx+00021672

[ 73] 0x00007f21b37816c9 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00947913 PyEval_EvalCodeEx+00002025

[ 74] 0x00007f21b37818ea /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00948458 PyEval_EvalCode+00000026

[ 75] 0x00007f21b379141e /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01012766 PyImport_ExecCodeModuleEx+00000174

[ 76] 0x00007f21b379169d /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01013405

[ 77] 0x00007f21b3792b1f /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01018655

[ 78] 0x00007f21b3792323 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01016611

[ 79] 0x00007f21b3792578 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01017208

[ 80] 0x00007f21b3792ecc /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01019596 PyImport_ImportModuleLevel+00000252

[ 81] 0x00007f21b3776006 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00901126

[ 82] 0x00007f21b36e5973 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00309619 PyObject_Call+00000067

[ 83] 0x00007f21b3777c38 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00908344 PyEval_CallObjectWithKeywords+00000072

[ 84] 0x00007f21b377d638 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00931384 PyEval_EvalFrameEx+00021672

[ 85] 0x00007f21b37816c9 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00947913 PyEval_EvalCodeEx+00002025

[ 86] 0x00007f21b37818ea /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00948458 PyEval_EvalCode+00000026

[ 87] 0x00007f21b379141e /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01012766 PyImport_ExecCodeModuleEx+00000174

[ 88] 0x00007f21b379169d /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01013405

[ 89] 0x00007f21b3792323 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01016611

[ 90] 0x00007f21b3792578 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01017208

[ 91] 0x00007f21b3792e8c /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01019532 PyImport_ImportModuleLevel+00000188

[ 92] 0x00007f21b3776006 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00901126

[ 93] 0x00007f21b36e5973 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00309619 PyObject_Call+00000067

[ 94] 0x00007f21b3777c38 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00908344 PyEval_CallObjectWithKeywords+00000072

[ 95] 0x00007f21b377d638 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00931384 PyEval_EvalFrameEx+00021672

[ 96] 0x00007f21b37816c9 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00947913 PyEval_EvalCodeEx+00002025

[ 97] 0x00007f21b37818ea /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00948458 PyEval_EvalCode+00000026

[ 98] 0x00007f21b379141e /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01012766 PyImport_ExecCodeModuleEx+00000174

[ 99] 0x00007f21b379169d /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01013405

[100] 0x00007f21b3792b1f /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01018655

[101] 0x00007f21b3792323 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01016611

[102] 0x00007f21b3792578 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01017208

[103] 0x00007f21b3792ecc /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01019596 PyImport_ImportModuleLevel+00000252

[104] 0x00007f21b3776006 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00901126

[105] 0x00007f21b36e5973 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00309619 PyObject_Call+00000067

[106] 0x00007f21b3777c38 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00908344 PyEval_CallObjectWithKeywords+00000072

[107] 0x00007f21b377d638 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00931384 PyEval_EvalFrameEx+00021672

[108] 0x00007f21b37816c9 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00947913 PyEval_EvalCodeEx+00002025

[109] 0x00007f21b37818ea /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00948458 PyEval_EvalCode+00000026

[110] 0x00007f21b379141e /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01012766 PyImport_ExecCodeModuleEx+00000174

[111] 0x00007f21b379169d /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01013405

[112] 0x00007f21b3792323 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01016611

[113] 0x00007f21b3792899 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01018009

[114] 0x00007f21b3792f5d /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01019741 PyImport_ImportModuleLevel+00000397

[115] 0x00007f21b3776006 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00901126

[116] 0x00007f21b36e5973 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00309619 PyObject_Call+00000067

[117] 0x00007f21b3777c38 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00908344 PyEval_CallObjectWithKeywords+00000072

[118] 0x00007f21b377d638 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00931384 PyEval_EvalFrameEx+00021672

[119] 0x00007f21b37816c9 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00947913 PyEval_EvalCodeEx+00002025

[120] 0x00007f21b37818ea /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00948458 PyEval_EvalCode+00000026

[121] 0x00007f21b379141e /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01012766 PyImport_ExecCodeModuleEx+00000174

[122] 0x00007f21b379169d /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01013405

[123] 0x00007f21b3792b1f /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01018655

[124] 0x00007f21b3792323 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01016611

[125] 0x00007f21b379262a /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01017386

[126] 0x00007f21b3792e8c /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01019532 PyImport_ImportModuleLevel+00000188

[127] 0x00007f21b3776006 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00901126





If this problem is reproducible, please submit a Service Request via:

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A technical support engineer might contact you with further information.



Thank you for your help.


I can't seem to find any similar problems on the web, apologies if this is a known issue or the wrong forum post. Also, the reason for asking this when it works with Python 3.7 is to figure out the root cause and fix it so that I can use whichever Python version at ease. Ty in advance.






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    1















    So I have some code in Matlab that calls functions from Python's scikit-learn module. The problem is when I try to use Python 2.7 in a virtual environment created via Anaconda, it exits out with segmentation fault. This does not happen with Python 3.7 virtual environment created with Anaconda. The stack trace is as follows:



    ------------------------------------------------------------------------
    
       Segmentation violation detected at Thu Jan 24 15:59:14 2019
    
------------------------------------------------------------------------
    

    
Configuration:
    
  Crash Decoding      : Disabled - No sandbox or build area path
    
  Crash Mode          : continue (default)
    
  Current Graphics Driver: Unknown hardware 
    
  Current Visual      : 0x21 (class 4, depth 24)
    
  Default Encoding    : UTF-8
    
  Deployed            : false
    
  GNU C Library       : 2.28 stable
    
  Host Name           : h110
    
  MATLAB Architecture : glnxa64
    
  MATLAB Entitlement ID: 6257193
    
  MATLAB Root         : /run/media/mahieyin/STUFF/ProgramFiles/MATLAB/R2017a
    
  MATLAB Version      : 9.2.0.538062 (R2017a)
    
  OpenGL              : hardware
    
  Operating System    : Linux 4.19.14-1-MANJARO #1 SMP PREEMPT Wed Jan 9 17:17:37 UTC 2019 x86_64
    
  Processor ID        : x86 Family 6 Model 94 Stepping 3, GenuineIntel
    
  Virtual Machine     : Java 1.7.0_60-b19 with Oracle Corporation Java HotSpot(TM) 64-Bit Server VM mixed mode
    
  Window System       : The X.Org Foundation (12003000), display :0
    

    
Fault Count: 1
    

    

    
Abnormal termination:
    
Segmentation violation
    

    
Register State (from fault):
    
  RAX = 0000000000000000  RBX = 00007f21e0bb2fa0
    
  RCX = 0000000000000100  RDX = 0000000000000000
    
  RSP = 00007f227bb2a698  RBP = 0000000001003f00
    
  RSI = 0000000000000000  RDI = 0000000000000000
    

    
   R8 = 0000000000000100   R9 = 00000000010267b0
    
  R10 = 000000000000000e  R11 = 000000000000000f
    
  R12 = 0000000000000002  R13 = 00000000010256c8
    
  R14 = 00007f21e0d51bd0  R15 = 00007f2293355850
    

    
  RIP = 00007f229c166c1e  EFL = 0000000000010283
    

    
   CS = 0033   FS = 0000   GS = 0000
    

    
Stack Trace (from fault):
    
[  0] 0x00007f229c166c1e                                 /usr/lib/libc.so.6+01420318
    
[  1] 0x00007f22933f642d /run/media/mahieyin/STUFF/ProgramFiles/MATLAB/R2017a/bin/glnxa64/libcrypto.so.1.0.0+01106989 lh_insert+00000173
    
[  2] 0x00007f2293355c95 /run/media/mahieyin/STUFF/ProgramFiles/MATLAB/R2017a/bin/glnxa64/libcrypto.so.1.0.0+00449685 OBJ_NAME_add+00000101
    
[  3] 0x00007f21b23638cd /home/mahieyin/.conda/envs/py27/lib/python2.7/lib-dynload/_hashlib.so+00923853 openssl_add_all_ciphers_int+00000829
    
[  4] 0x00007f21b231284a /home/mahieyin/.conda/envs/py27/lib/python2.7/lib-dynload/_hashlib.so+00591946
    
[  5] 0x00007f229c1df4ff                           /usr/lib/libpthread.so.0+00062719
    
[  6] 0x00007f21b232677a /home/mahieyin/.conda/envs/py27/lib/python2.7/lib-dynload/_hashlib.so+00673658 CRYPTO_THREAD_run_once+00000010
    
[  7] 0x00007f21b2312eac /home/mahieyin/.conda/envs/py27/lib/python2.7/lib-dynload/_hashlib.so+00593580 OPENSSL_init_crypto+00000572
    
[  8] 0x00007f21b230bde2 /home/mahieyin/.conda/envs/py27/lib/python2.7/lib-dynload/_hashlib.so+00564706 init_hashlib+00000034
    
[  9] 0x00007f21b379418e /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01024398 _PyImport_LoadDynamicModule+00000158
    
[ 10] 0x00007f21b3792323 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01016611
    
[ 11] 0x00007f21b3792578 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01017208
    
[ 12] 0x00007f21b3792e8c /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01019532 PyImport_ImportModuleLevel+00000188
    
[ 13] 0x00007f21b3776006 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00901126
    
[ 14] 0x00007f21b36e5973 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00309619 PyObject_Call+00000067
    
[ 15] 0x00007f21b3777c38 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00908344 PyEval_CallObjectWithKeywords+00000072
    
[ 16] 0x00007f21b377d638 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00931384 PyEval_EvalFrameEx+00021672
    
[ 17] 0x00007f21b37816c9 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00947913 PyEval_EvalCodeEx+00002025
    
[ 18] 0x00007f21b37818ea /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00948458 PyEval_EvalCode+00000026
    
[ 19] 0x00007f21b379141e /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01012766 PyImport_ExecCodeModuleEx+00000174
    
[ 20] 0x00007f21b379169d /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01013405
    
[ 21] 0x00007f21b3792323 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01016611
    
[ 22] 0x00007f21b3792578 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01017208
    
[ 23] 0x00007f21b3792e8c /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01019532 PyImport_ImportModuleLevel+00000188
    
[ 24] 0x00007f21b3776006 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00901126
    
[ 25] 0x00007f21b36e5973 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00309619 PyObject_Call+00000067
    
[ 26] 0x00007f21b3777c38 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00908344 PyEval_CallObjectWithKeywords+00000072
    
[ 27] 0x00007f21b377d638 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00931384 PyEval_EvalFrameEx+00021672
    
[ 28] 0x00007f21b37816c9 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00947913 PyEval_EvalCodeEx+00002025
    
[ 29] 0x00007f21b37818ea /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00948458 PyEval_EvalCode+00000026
    
[ 30] 0x00007f21b379141e /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01012766 PyImport_ExecCodeModuleEx+00000174
    
[ 31] 0x00007f21b379169d /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01013405
    
[ 32] 0x00007f21b3792323 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01016611
    
[ 33] 0x00007f21b3792578 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01017208
    
[ 34] 0x00007f21b3792e8c /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01019532 PyImport_ImportModuleLevel+00000188
    
[ 35] 0x00007f21b3776006 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00901126
    
[ 36] 0x00007f21b36e5973 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00309619 PyObject_Call+00000067
    
[ 37] 0x00007f21b3777c38 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00908344 PyEval_CallObjectWithKeywords+00000072
    
[ 38] 0x00007f21b377d638 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00931384 PyEval_EvalFrameEx+00021672
    
[ 39] 0x00007f21b37816c9 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00947913 PyEval_EvalCodeEx+00002025
    
[ 40] 0x00007f21b37818ea /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00948458 PyEval_EvalCode+00000026
    
[ 41] 0x00007f21b379141e /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01012766 PyImport_ExecCodeModuleEx+00000174
    
[ 42] 0x00007f21b379169d /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01013405
    
[ 43] 0x00007f21b3792323 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01016611
    
[ 44] 0x00007f21b3792578 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01017208
    
[ 45] 0x00007f21b3792e8c /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01019532 PyImport_ImportModuleLevel+00000188
    
[ 46] 0x00007f21b3776006 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00901126
    
[ 47] 0x00007f21b36e5973 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00309619 PyObject_Call+00000067
    
[ 48] 0x00007f21b3777c38 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00908344 PyEval_CallObjectWithKeywords+00000072
    
[ 49] 0x00007f21b377d638 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00931384 PyEval_EvalFrameEx+00021672
    
[ 50] 0x00007f21b37816c9 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00947913 PyEval_EvalCodeEx+00002025
    
[ 51] 0x00007f21b37818ea /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00948458 PyEval_EvalCode+00000026
    
[ 52] 0x00007f21b379141e /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01012766 PyImport_ExecCodeModuleEx+00000174
    
[ 53] 0x00007f21b379169d /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01013405
    
[ 54] 0x00007f21b3792323 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01016611
    
[ 55] 0x00007f21b3792578 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01017208
    
[ 56] 0x00007f21b3792ecc /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01019596 PyImport_ImportModuleLevel+00000252
    
[ 57] 0x00007f21b3776006 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00901126
    
[ 58] 0x00007f21b36e5973 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00309619 PyObject_Call+00000067
    
[ 59] 0x00007f21b3777c38 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00908344 PyEval_CallObjectWithKeywords+00000072
    
[ 60] 0x00007f21b377d638 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00931384 PyEval_EvalFrameEx+00021672
    
[ 61] 0x00007f21b37816c9 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00947913 PyEval_EvalCodeEx+00002025
    
[ 62] 0x00007f21b37818ea /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00948458 PyEval_EvalCode+00000026
    
[ 63] 0x00007f21b379141e /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01012766 PyImport_ExecCodeModuleEx+00000174
    
[ 64] 0x00007f21b379169d /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01013405
    
[ 65] 0x00007f21b3792b1f /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01018655
    
[ 66] 0x00007f21b3792323 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01016611
    
[ 67] 0x00007f21b3792578 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01017208
    
[ 68] 0x00007f21b3792ecc /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01019596 PyImport_ImportModuleLevel+00000252
    
[ 69] 0x00007f21b3776006 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00901126
    
[ 70] 0x00007f21b36e5973 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00309619 PyObject_Call+00000067
    
[ 71] 0x00007f21b3777c38 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00908344 PyEval_CallObjectWithKeywords+00000072
    
[ 72] 0x00007f21b377d638 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00931384 PyEval_EvalFrameEx+00021672
    
[ 73] 0x00007f21b37816c9 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00947913 PyEval_EvalCodeEx+00002025
    
[ 74] 0x00007f21b37818ea /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00948458 PyEval_EvalCode+00000026
    
[ 75] 0x00007f21b379141e /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01012766 PyImport_ExecCodeModuleEx+00000174
    
[ 76] 0x00007f21b379169d /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01013405
    
[ 77] 0x00007f21b3792b1f /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01018655
    
[ 78] 0x00007f21b3792323 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01016611
    
[ 79] 0x00007f21b3792578 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01017208
    
[ 80] 0x00007f21b3792ecc /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01019596 PyImport_ImportModuleLevel+00000252
    
[ 81] 0x00007f21b3776006 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00901126
    
[ 82] 0x00007f21b36e5973 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00309619 PyObject_Call+00000067
    
[ 83] 0x00007f21b3777c38 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00908344 PyEval_CallObjectWithKeywords+00000072
    
[ 84] 0x00007f21b377d638 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00931384 PyEval_EvalFrameEx+00021672
    
[ 85] 0x00007f21b37816c9 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00947913 PyEval_EvalCodeEx+00002025
    
[ 86] 0x00007f21b37818ea /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00948458 PyEval_EvalCode+00000026
    
[ 87] 0x00007f21b379141e /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01012766 PyImport_ExecCodeModuleEx+00000174
    
[ 88] 0x00007f21b379169d /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01013405
    
[ 89] 0x00007f21b3792323 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01016611
    
[ 90] 0x00007f21b3792578 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01017208
    
[ 91] 0x00007f21b3792e8c /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01019532 PyImport_ImportModuleLevel+00000188
    
[ 92] 0x00007f21b3776006 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00901126
    
[ 93] 0x00007f21b36e5973 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00309619 PyObject_Call+00000067
    
[ 94] 0x00007f21b3777c38 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00908344 PyEval_CallObjectWithKeywords+00000072
    
[ 95] 0x00007f21b377d638 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00931384 PyEval_EvalFrameEx+00021672
    
[ 96] 0x00007f21b37816c9 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00947913 PyEval_EvalCodeEx+00002025
    
[ 97] 0x00007f21b37818ea /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00948458 PyEval_EvalCode+00000026
    
[ 98] 0x00007f21b379141e /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01012766 PyImport_ExecCodeModuleEx+00000174
    
[ 99] 0x00007f21b379169d /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01013405
    
[100] 0x00007f21b3792b1f /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01018655
    
[101] 0x00007f21b3792323 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01016611
    
[102] 0x00007f21b3792578 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01017208
    
[103] 0x00007f21b3792ecc /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01019596 PyImport_ImportModuleLevel+00000252
    
[104] 0x00007f21b3776006 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00901126
    
[105] 0x00007f21b36e5973 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00309619 PyObject_Call+00000067
    
[106] 0x00007f21b3777c38 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00908344 PyEval_CallObjectWithKeywords+00000072
    
[107] 0x00007f21b377d638 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00931384 PyEval_EvalFrameEx+00021672
    
[108] 0x00007f21b37816c9 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00947913 PyEval_EvalCodeEx+00002025
    
[109] 0x00007f21b37818ea /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00948458 PyEval_EvalCode+00000026
    
[110] 0x00007f21b379141e /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01012766 PyImport_ExecCodeModuleEx+00000174
    
[111] 0x00007f21b379169d /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01013405
    
[112] 0x00007f21b3792323 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01016611
    
[113] 0x00007f21b3792899 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01018009
    
[114] 0x00007f21b3792f5d /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01019741 PyImport_ImportModuleLevel+00000397
    
[115] 0x00007f21b3776006 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00901126
    
[116] 0x00007f21b36e5973 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00309619 PyObject_Call+00000067
    
[117] 0x00007f21b3777c38 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00908344 PyEval_CallObjectWithKeywords+00000072
    
[118] 0x00007f21b377d638 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00931384 PyEval_EvalFrameEx+00021672
    
[119] 0x00007f21b37816c9 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00947913 PyEval_EvalCodeEx+00002025
    
[120] 0x00007f21b37818ea /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00948458 PyEval_EvalCode+00000026
    
[121] 0x00007f21b379141e /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01012766 PyImport_ExecCodeModuleEx+00000174
    
[122] 0x00007f21b379169d /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01013405
    
[123] 0x00007f21b3792b1f /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01018655
    
[124] 0x00007f21b3792323 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01016611
    
[125] 0x00007f21b379262a /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01017386
    
[126] 0x00007f21b3792e8c /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01019532 PyImport_ImportModuleLevel+00000188
    
[127] 0x00007f21b3776006 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00901126
    

    

    
If this problem is reproducible, please submit a Service Request via:
    
    http://www.mathworks.com/support/contact_us/
    

    
A technical support engineer might contact you with further information.
    

    
Thank you for your help.


    I can't seem to find any similar problems on the web, apologies if this is a known issue or the wrong forum post. Also, the reason for asking this when it works with Python 3.7 is to figure out the root cause and fix it so that I can use whichever Python version at ease. Ty in advance.






    linux python matlab anaconda







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      So I have some code in Matlab that calls functions from Python's scikit-learn module. The problem is when I try to use Python 2.7 in a virtual environment created via Anaconda, it exits out with segmentation fault. This does not happen with Python 3.7 virtual environment created with Anaconda. The stack trace is as follows:



      ------------------------------------------------------------------------
      
       Segmentation violation detected at Thu Jan 24 15:59:14 2019
      
------------------------------------------------------------------------
      

      
Configuration:
      
  Crash Decoding      : Disabled - No sandbox or build area path
      
  Crash Mode          : continue (default)
      
  Current Graphics Driver: Unknown hardware 
      
  Current Visual      : 0x21 (class 4, depth 24)
      
  Default Encoding    : UTF-8
      
  Deployed            : false
      
  GNU C Library       : 2.28 stable
      
  Host Name           : h110
      
  MATLAB Architecture : glnxa64
      
  MATLAB Entitlement ID: 6257193
      
  MATLAB Root         : /run/media/mahieyin/STUFF/ProgramFiles/MATLAB/R2017a
      
  MATLAB Version      : 9.2.0.538062 (R2017a)
      
  OpenGL              : hardware
      
  Operating System    : Linux 4.19.14-1-MANJARO #1 SMP PREEMPT Wed Jan 9 17:17:37 UTC 2019 x86_64
      
  Processor ID        : x86 Family 6 Model 94 Stepping 3, GenuineIntel
      
  Virtual Machine     : Java 1.7.0_60-b19 with Oracle Corporation Java HotSpot(TM) 64-Bit Server VM mixed mode
      
  Window System       : The X.Org Foundation (12003000), display :0
      

      
Fault Count: 1
      

      

      
Abnormal termination:
      
Segmentation violation
      

      
Register State (from fault):
      
  RAX = 0000000000000000  RBX = 00007f21e0bb2fa0
      
  RCX = 0000000000000100  RDX = 0000000000000000
      
  RSP = 00007f227bb2a698  RBP = 0000000001003f00
      
  RSI = 0000000000000000  RDI = 0000000000000000
      

      
   R8 = 0000000000000100   R9 = 00000000010267b0
      
  R10 = 000000000000000e  R11 = 000000000000000f
      
  R12 = 0000000000000002  R13 = 00000000010256c8
      
  R14 = 00007f21e0d51bd0  R15 = 00007f2293355850
      

      
  RIP = 00007f229c166c1e  EFL = 0000000000010283
      

      
   CS = 0033   FS = 0000   GS = 0000
      

      
Stack Trace (from fault):
      
[  0] 0x00007f229c166c1e                                 /usr/lib/libc.so.6+01420318
      
[  1] 0x00007f22933f642d /run/media/mahieyin/STUFF/ProgramFiles/MATLAB/R2017a/bin/glnxa64/libcrypto.so.1.0.0+01106989 lh_insert+00000173
      
[  2] 0x00007f2293355c95 /run/media/mahieyin/STUFF/ProgramFiles/MATLAB/R2017a/bin/glnxa64/libcrypto.so.1.0.0+00449685 OBJ_NAME_add+00000101
      
[  3] 0x00007f21b23638cd /home/mahieyin/.conda/envs/py27/lib/python2.7/lib-dynload/_hashlib.so+00923853 openssl_add_all_ciphers_int+00000829
      
[  4] 0x00007f21b231284a /home/mahieyin/.conda/envs/py27/lib/python2.7/lib-dynload/_hashlib.so+00591946
      
[  5] 0x00007f229c1df4ff                           /usr/lib/libpthread.so.0+00062719
      
[  6] 0x00007f21b232677a /home/mahieyin/.conda/envs/py27/lib/python2.7/lib-dynload/_hashlib.so+00673658 CRYPTO_THREAD_run_once+00000010
      
[  7] 0x00007f21b2312eac /home/mahieyin/.conda/envs/py27/lib/python2.7/lib-dynload/_hashlib.so+00593580 OPENSSL_init_crypto+00000572
      
[  8] 0x00007f21b230bde2 /home/mahieyin/.conda/envs/py27/lib/python2.7/lib-dynload/_hashlib.so+00564706 init_hashlib+00000034
      
[  9] 0x00007f21b379418e /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01024398 _PyImport_LoadDynamicModule+00000158
      
[ 10] 0x00007f21b3792323 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01016611
      
[ 11] 0x00007f21b3792578 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01017208
      
[ 12] 0x00007f21b3792e8c /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01019532 PyImport_ImportModuleLevel+00000188
      
[ 13] 0x00007f21b3776006 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00901126
      
[ 14] 0x00007f21b36e5973 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00309619 PyObject_Call+00000067
      
[ 15] 0x00007f21b3777c38 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00908344 PyEval_CallObjectWithKeywords+00000072
      
[ 16] 0x00007f21b377d638 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00931384 PyEval_EvalFrameEx+00021672
      
[ 17] 0x00007f21b37816c9 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00947913 PyEval_EvalCodeEx+00002025
      
[ 18] 0x00007f21b37818ea /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00948458 PyEval_EvalCode+00000026
      
[ 19] 0x00007f21b379141e /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01012766 PyImport_ExecCodeModuleEx+00000174
      
[ 20] 0x00007f21b379169d /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01013405
      
[ 21] 0x00007f21b3792323 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01016611
      
[ 22] 0x00007f21b3792578 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01017208
      
[ 23] 0x00007f21b3792e8c /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01019532 PyImport_ImportModuleLevel+00000188
      
[ 24] 0x00007f21b3776006 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00901126
      
[ 25] 0x00007f21b36e5973 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00309619 PyObject_Call+00000067
      
[ 26] 0x00007f21b3777c38 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00908344 PyEval_CallObjectWithKeywords+00000072
      
[ 27] 0x00007f21b377d638 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00931384 PyEval_EvalFrameEx+00021672
      
[ 28] 0x00007f21b37816c9 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00947913 PyEval_EvalCodeEx+00002025
      
[ 29] 0x00007f21b37818ea /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00948458 PyEval_EvalCode+00000026
      
[ 30] 0x00007f21b379141e /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01012766 PyImport_ExecCodeModuleEx+00000174
      
[ 31] 0x00007f21b379169d /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01013405
      
[ 32] 0x00007f21b3792323 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01016611
      
[ 33] 0x00007f21b3792578 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01017208
      
[ 34] 0x00007f21b3792e8c /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01019532 PyImport_ImportModuleLevel+00000188
      
[ 35] 0x00007f21b3776006 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00901126
      
[ 36] 0x00007f21b36e5973 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00309619 PyObject_Call+00000067
      
[ 37] 0x00007f21b3777c38 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00908344 PyEval_CallObjectWithKeywords+00000072
      
[ 38] 0x00007f21b377d638 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00931384 PyEval_EvalFrameEx+00021672
      
[ 39] 0x00007f21b37816c9 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00947913 PyEval_EvalCodeEx+00002025
      
[ 40] 0x00007f21b37818ea /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00948458 PyEval_EvalCode+00000026
      
[ 41] 0x00007f21b379141e /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01012766 PyImport_ExecCodeModuleEx+00000174
      
[ 42] 0x00007f21b379169d /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01013405
      
[ 43] 0x00007f21b3792323 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01016611
      
[ 44] 0x00007f21b3792578 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01017208
      
[ 45] 0x00007f21b3792e8c /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01019532 PyImport_ImportModuleLevel+00000188
      
[ 46] 0x00007f21b3776006 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00901126
      
[ 47] 0x00007f21b36e5973 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00309619 PyObject_Call+00000067
      
[ 48] 0x00007f21b3777c38 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00908344 PyEval_CallObjectWithKeywords+00000072
      
[ 49] 0x00007f21b377d638 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00931384 PyEval_EvalFrameEx+00021672
      
[ 50] 0x00007f21b37816c9 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00947913 PyEval_EvalCodeEx+00002025
      
[ 51] 0x00007f21b37818ea /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00948458 PyEval_EvalCode+00000026
      
[ 52] 0x00007f21b379141e /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01012766 PyImport_ExecCodeModuleEx+00000174
      
[ 53] 0x00007f21b379169d /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01013405
      
[ 54] 0x00007f21b3792323 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01016611
      
[ 55] 0x00007f21b3792578 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01017208
      
[ 56] 0x00007f21b3792ecc /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01019596 PyImport_ImportModuleLevel+00000252
      
[ 57] 0x00007f21b3776006 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00901126
      
[ 58] 0x00007f21b36e5973 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00309619 PyObject_Call+00000067
      
[ 59] 0x00007f21b3777c38 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00908344 PyEval_CallObjectWithKeywords+00000072
      
[ 60] 0x00007f21b377d638 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00931384 PyEval_EvalFrameEx+00021672
      
[ 61] 0x00007f21b37816c9 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00947913 PyEval_EvalCodeEx+00002025
      
[ 62] 0x00007f21b37818ea /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00948458 PyEval_EvalCode+00000026
      
[ 63] 0x00007f21b379141e /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01012766 PyImport_ExecCodeModuleEx+00000174
      
[ 64] 0x00007f21b379169d /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01013405
      
[ 65] 0x00007f21b3792b1f /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01018655
      
[ 66] 0x00007f21b3792323 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01016611
      
[ 67] 0x00007f21b3792578 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01017208
      
[ 68] 0x00007f21b3792ecc /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01019596 PyImport_ImportModuleLevel+00000252
      
[ 69] 0x00007f21b3776006 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00901126
      
[ 70] 0x00007f21b36e5973 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00309619 PyObject_Call+00000067
      
[ 71] 0x00007f21b3777c38 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00908344 PyEval_CallObjectWithKeywords+00000072
      
[ 72] 0x00007f21b377d638 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00931384 PyEval_EvalFrameEx+00021672
      
[ 73] 0x00007f21b37816c9 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00947913 PyEval_EvalCodeEx+00002025
      
[ 74] 0x00007f21b37818ea /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00948458 PyEval_EvalCode+00000026
      
[ 75] 0x00007f21b379141e /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01012766 PyImport_ExecCodeModuleEx+00000174
      
[ 76] 0x00007f21b379169d /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01013405
      
[ 77] 0x00007f21b3792b1f /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01018655
      
[ 78] 0x00007f21b3792323 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01016611
      
[ 79] 0x00007f21b3792578 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01017208
      
[ 80] 0x00007f21b3792ecc /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01019596 PyImport_ImportModuleLevel+00000252
      
[ 81] 0x00007f21b3776006 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00901126
      
[ 82] 0x00007f21b36e5973 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00309619 PyObject_Call+00000067
      
[ 83] 0x00007f21b3777c38 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00908344 PyEval_CallObjectWithKeywords+00000072
      
[ 84] 0x00007f21b377d638 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00931384 PyEval_EvalFrameEx+00021672
      
[ 85] 0x00007f21b37816c9 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00947913 PyEval_EvalCodeEx+00002025
      
[ 86] 0x00007f21b37818ea /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00948458 PyEval_EvalCode+00000026
      
[ 87] 0x00007f21b379141e /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01012766 PyImport_ExecCodeModuleEx+00000174
      
[ 88] 0x00007f21b379169d /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01013405
      
[ 89] 0x00007f21b3792323 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01016611
      
[ 90] 0x00007f21b3792578 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01017208
      
[ 91] 0x00007f21b3792e8c /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01019532 PyImport_ImportModuleLevel+00000188
      
[ 92] 0x00007f21b3776006 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00901126
      
[ 93] 0x00007f21b36e5973 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00309619 PyObject_Call+00000067
      
[ 94] 0x00007f21b3777c38 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00908344 PyEval_CallObjectWithKeywords+00000072
      
[ 95] 0x00007f21b377d638 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00931384 PyEval_EvalFrameEx+00021672
      
[ 96] 0x00007f21b37816c9 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00947913 PyEval_EvalCodeEx+00002025
      
[ 97] 0x00007f21b37818ea /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00948458 PyEval_EvalCode+00000026
      
[ 98] 0x00007f21b379141e /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01012766 PyImport_ExecCodeModuleEx+00000174
      
[ 99] 0x00007f21b379169d /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01013405
      
[100] 0x00007f21b3792b1f /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01018655
      
[101] 0x00007f21b3792323 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01016611
      
[102] 0x00007f21b3792578 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01017208
      
[103] 0x00007f21b3792ecc /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01019596 PyImport_ImportModuleLevel+00000252
      
[104] 0x00007f21b3776006 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00901126
      
[105] 0x00007f21b36e5973 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00309619 PyObject_Call+00000067
      
[106] 0x00007f21b3777c38 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00908344 PyEval_CallObjectWithKeywords+00000072
      
[107] 0x00007f21b377d638 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00931384 PyEval_EvalFrameEx+00021672
      
[108] 0x00007f21b37816c9 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00947913 PyEval_EvalCodeEx+00002025
      
[109] 0x00007f21b37818ea /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00948458 PyEval_EvalCode+00000026
      
[110] 0x00007f21b379141e /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01012766 PyImport_ExecCodeModuleEx+00000174
      
[111] 0x00007f21b379169d /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01013405
      
[112] 0x00007f21b3792323 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01016611
      
[113] 0x00007f21b3792899 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01018009
      
[114] 0x00007f21b3792f5d /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01019741 PyImport_ImportModuleLevel+00000397
      
[115] 0x00007f21b3776006 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00901126
      
[116] 0x00007f21b36e5973 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00309619 PyObject_Call+00000067
      
[117] 0x00007f21b3777c38 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00908344 PyEval_CallObjectWithKeywords+00000072
      
[118] 0x00007f21b377d638 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00931384 PyEval_EvalFrameEx+00021672
      
[119] 0x00007f21b37816c9 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00947913 PyEval_EvalCodeEx+00002025
      
[120] 0x00007f21b37818ea /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00948458 PyEval_EvalCode+00000026
      
[121] 0x00007f21b379141e /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01012766 PyImport_ExecCodeModuleEx+00000174
      
[122] 0x00007f21b379169d /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01013405
      
[123] 0x00007f21b3792b1f /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01018655
      
[124] 0x00007f21b3792323 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01016611
      
[125] 0x00007f21b379262a /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01017386
      
[126] 0x00007f21b3792e8c /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01019532 PyImport_ImportModuleLevel+00000188
      
[127] 0x00007f21b3776006 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00901126
      

      

      
If this problem is reproducible, please submit a Service Request via:
      
    http://www.mathworks.com/support/contact_us/
      

      
A technical support engineer might contact you with further information.
      

      
Thank you for your help.


      I can't seem to find any similar problems on the web, apologies if this is a known issue or the wrong forum post. Also, the reason for asking this when it works with Python 3.7 is to figure out the root cause and fix it so that I can use whichever Python version at ease. Ty in advance.






      linux python matlab anaconda







      share|improve this question














      So I have some code in Matlab that calls functions from Python's scikit-learn module. The problem is when I try to use Python 2.7 in a virtual environment created via Anaconda, it exits out with segmentation fault. This does not happen with Python 3.7 virtual environment created with Anaconda. The stack trace is as follows:



      ------------------------------------------------------------------------
      
       Segmentation violation detected at Thu Jan 24 15:59:14 2019
      
------------------------------------------------------------------------
      

      
Configuration:
      
  Crash Decoding      : Disabled - No sandbox or build area path
      
  Crash Mode          : continue (default)
      
  Current Graphics Driver: Unknown hardware 
      
  Current Visual      : 0x21 (class 4, depth 24)
      
  Default Encoding    : UTF-8
      
  Deployed            : false
      
  GNU C Library       : 2.28 stable
      
  Host Name           : h110
      
  MATLAB Architecture : glnxa64
      
  MATLAB Entitlement ID: 6257193
      
  MATLAB Root         : /run/media/mahieyin/STUFF/ProgramFiles/MATLAB/R2017a
      
  MATLAB Version      : 9.2.0.538062 (R2017a)
      
  OpenGL              : hardware
      
  Operating System    : Linux 4.19.14-1-MANJARO #1 SMP PREEMPT Wed Jan 9 17:17:37 UTC 2019 x86_64
      
  Processor ID        : x86 Family 6 Model 94 Stepping 3, GenuineIntel
      
  Virtual Machine     : Java 1.7.0_60-b19 with Oracle Corporation Java HotSpot(TM) 64-Bit Server VM mixed mode
      
  Window System       : The X.Org Foundation (12003000), display :0
      

      
Fault Count: 1
      

      

      
Abnormal termination:
      
Segmentation violation
      

      
Register State (from fault):
      
  RAX = 0000000000000000  RBX = 00007f21e0bb2fa0
      
  RCX = 0000000000000100  RDX = 0000000000000000
      
  RSP = 00007f227bb2a698  RBP = 0000000001003f00
      
  RSI = 0000000000000000  RDI = 0000000000000000
      

      
   R8 = 0000000000000100   R9 = 00000000010267b0
      
  R10 = 000000000000000e  R11 = 000000000000000f
      
  R12 = 0000000000000002  R13 = 00000000010256c8
      
  R14 = 00007f21e0d51bd0  R15 = 00007f2293355850
      

      
  RIP = 00007f229c166c1e  EFL = 0000000000010283
      

      
   CS = 0033   FS = 0000   GS = 0000
      

      
Stack Trace (from fault):
      
[  0] 0x00007f229c166c1e                                 /usr/lib/libc.so.6+01420318
      
[  1] 0x00007f22933f642d /run/media/mahieyin/STUFF/ProgramFiles/MATLAB/R2017a/bin/glnxa64/libcrypto.so.1.0.0+01106989 lh_insert+00000173
      
[  2] 0x00007f2293355c95 /run/media/mahieyin/STUFF/ProgramFiles/MATLAB/R2017a/bin/glnxa64/libcrypto.so.1.0.0+00449685 OBJ_NAME_add+00000101
      
[  3] 0x00007f21b23638cd /home/mahieyin/.conda/envs/py27/lib/python2.7/lib-dynload/_hashlib.so+00923853 openssl_add_all_ciphers_int+00000829
      
[  4] 0x00007f21b231284a /home/mahieyin/.conda/envs/py27/lib/python2.7/lib-dynload/_hashlib.so+00591946
      
[  5] 0x00007f229c1df4ff                           /usr/lib/libpthread.so.0+00062719
      
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[118] 0x00007f21b377d638 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00931384 PyEval_EvalFrameEx+00021672
      
[119] 0x00007f21b37816c9 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00947913 PyEval_EvalCodeEx+00002025
      
[120] 0x00007f21b37818ea /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00948458 PyEval_EvalCode+00000026
      
[121] 0x00007f21b379141e /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01012766 PyImport_ExecCodeModuleEx+00000174
      
[122] 0x00007f21b379169d /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01013405
      
[123] 0x00007f21b3792b1f /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01018655
      
[124] 0x00007f21b3792323 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01016611
      
[125] 0x00007f21b379262a /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01017386
      
[126] 0x00007f21b3792e8c /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+01019532 PyImport_ImportModuleLevel+00000188
      
[127] 0x00007f21b3776006 /home/mahieyin/.conda/envs/py27/lib/libpython2.7.so+00901126
      

      

      
If this problem is reproducible, please submit a Service Request via:
      
    http://www.mathworks.com/support/contact_us/
      

      
A technical support engineer might contact you with further information.
      

      
Thank you for your help.


      I can't seem to find any similar problems on the web, apologies if this is a known issue or the wrong forum post. Also, the reason for asking this when it works with Python 3.7 is to figure out the root cause and fix it so that I can use whichever Python version at ease. Ty in advance.






      linux python matlab anaconda




      linux python matlab anaconda






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      asked Jan 25 at 12:30









      discretemathswreckslivesdiscretemathswreckslives

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          Aardman Animations

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          Aardman Animations, Ltd. Aardman Animations Tipo privada Atividade Animação em stop-motion , Animação em CGI Fundação 1972 Fundador(es) Peter Lord David Sproxton Sede Bristol, Inglaterra  Reino Unido Proprietário(s) Dreamworks Pessoas-chave Peter Lord David Sproxton Nick Park Divisões Aardman Features Aardman Digital Aardman Commercials Aardman Broadcast Aardman International Aardman Rights Aardman Effects Aardman 3-D Systems Aardman Nathan Love AardBoiled Website oficial aardman.com ...
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          Are they similar matrix

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          0 $begingroup$ Do $begin{bmatrix} 0&i&0\0&0&1\0&0&0 end{bmatrix} $ and $begin{bmatrix} 0&0&0\-i&0&0\0&1&0 end{bmatrix} $ are similar.Is this True/false Clearly both are nilpotent and one is conjucate transpose of other but how to know if they are similar.i'm stuck. Please help me linear-algebra vector-spaces eigenvalues-eigenvectors generalizedeigenvector share | cite | improve this question edited Dec 10 '18 at 6:38 Vasanth Kris asked Dec 10 '18 at 6:19 ...
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