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https://issues.apache.org/jira/browse/MATH-1494?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tom updated MATH-1494:
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Description:
Function to fit an exponential decay (negarive beta) or positive beta without
initial guessing
Based on [https://stackoverflow.com/a/39436209/545346]
Original source: Regressions et Equations integrales, Jean Jacquelin
[https://www.scribd.com/doc/14674814/Regressions-et-equations-integrales]
The class will allow for the usual variety of providing inputs of x and y.
Once computed the instance can be queried for Amplitude, Beta, and Constant,
defining a curve for y= Amplitude * exp(Beta * x) + Constant
was:
Function to fit an exponential decay without initial guessing
Based on [https://stackoverflow.com/a/39436209/545346]
Original source: Regressions et Equations integrales, Jean Jacquelin
[https://www.scribd.com/doc/14674814/Regressions-et-equations-integrales]
The class will allow for the usual variety of providing inputs of x and y.
Once computed the instance can be queried for Amplitude, Beta, and Constant,
defining a curve for y= Amplitude * exp(Beta * x) + Constant
> Find exponential curve fit to data using Jacquelin method
> -
>
> Key: MATH-1494
> URL: https://issues.apache.org/jira/browse/MATH-1494
> Project: Commons Math
> Issue Type: New Feature
>Reporter: Tom
>Priority: Major
> Labels: curvefitter, exponential, fitting
> Fix For: 4.0
>
> Original Estimate: 336h
> Remaining Estimate: 336h
>
> Function to fit an exponential decay (negarive beta) or positive beta without
> initial guessing
> Based on [https://stackoverflow.com/a/39436209/545346]
> Original source: Regressions et Equations integrales, Jean Jacquelin
> [https://www.scribd.com/doc/14674814/Regressions-et-equations-integrales]
> The class will allow for the usual variety of providing inputs of x and y.
> Once computed the instance can be queried for Amplitude, Beta, and Constant,
> defining a curve for y= Amplitude * exp(Beta * x) + Constant
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