Method(s) to determine the growth rate of a function or sequence












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In mathematics, we often say that a particular function of sequence has a growth or decay rate. For example, we say the value, or terms, grow or decay at a linear, polynomial, exponential, logarithmic, or some other rate.



My question is this: Given a function or sequence, what are the methods for determining and showing its rate of growth or decay?



Additionally, if you have a function or sequence which is the sum or product of other functions and sequences with particular growth or decay rates, what are the rules for how these combine to produce the rate for the composite function of sequence?



For example, suppose I have the integer sequence:



$a_n = n^n times exp(n), nin mathbb{N}$



What is the best method to determine what the growth rate is for sequence?










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  • Big O notation can be used to give a description of the growth rate: en.wikipedia.org/wiki/Big_O_notation
    – parsiad
    Nov 30 '18 at 1:44


















0














In mathematics, we often say that a particular function of sequence has a growth or decay rate. For example, we say the value, or terms, grow or decay at a linear, polynomial, exponential, logarithmic, or some other rate.



My question is this: Given a function or sequence, what are the methods for determining and showing its rate of growth or decay?



Additionally, if you have a function or sequence which is the sum or product of other functions and sequences with particular growth or decay rates, what are the rules for how these combine to produce the rate for the composite function of sequence?



For example, suppose I have the integer sequence:



$a_n = n^n times exp(n), nin mathbb{N}$



What is the best method to determine what the growth rate is for sequence?










share|cite|improve this question






















  • Big O notation can be used to give a description of the growth rate: en.wikipedia.org/wiki/Big_O_notation
    – parsiad
    Nov 30 '18 at 1:44
















0












0








0







In mathematics, we often say that a particular function of sequence has a growth or decay rate. For example, we say the value, or terms, grow or decay at a linear, polynomial, exponential, logarithmic, or some other rate.



My question is this: Given a function or sequence, what are the methods for determining and showing its rate of growth or decay?



Additionally, if you have a function or sequence which is the sum or product of other functions and sequences with particular growth or decay rates, what are the rules for how these combine to produce the rate for the composite function of sequence?



For example, suppose I have the integer sequence:



$a_n = n^n times exp(n), nin mathbb{N}$



What is the best method to determine what the growth rate is for sequence?










share|cite|improve this question













In mathematics, we often say that a particular function of sequence has a growth or decay rate. For example, we say the value, or terms, grow or decay at a linear, polynomial, exponential, logarithmic, or some other rate.



My question is this: Given a function or sequence, what are the methods for determining and showing its rate of growth or decay?



Additionally, if you have a function or sequence which is the sum or product of other functions and sequences with particular growth or decay rates, what are the rules for how these combine to produce the rate for the composite function of sequence?



For example, suppose I have the integer sequence:



$a_n = n^n times exp(n), nin mathbb{N}$



What is the best method to determine what the growth rate is for sequence?







sequences-and-series analysis






share|cite|improve this question













share|cite|improve this question











share|cite|improve this question




share|cite|improve this question










asked Nov 30 '18 at 1:41









jdgjdg

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12












  • Big O notation can be used to give a description of the growth rate: en.wikipedia.org/wiki/Big_O_notation
    – parsiad
    Nov 30 '18 at 1:44




















  • Big O notation can be used to give a description of the growth rate: en.wikipedia.org/wiki/Big_O_notation
    – parsiad
    Nov 30 '18 at 1:44


















Big O notation can be used to give a description of the growth rate: en.wikipedia.org/wiki/Big_O_notation
– parsiad
Nov 30 '18 at 1:44






Big O notation can be used to give a description of the growth rate: en.wikipedia.org/wiki/Big_O_notation
– parsiad
Nov 30 '18 at 1:44












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