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https://issues.apache.org/jira/browse/MATH-1459?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16465752#comment-16465752
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Gilles edited comment on MATH-1459 at 5/10/18 1:23 PM:
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{quote}Will the unit test extend AbstractLeastSquaresOptimizerAbstractTest? Or 
will it extend nothing?
{quote}
As per my previous comment, it should not extend 
{{AbstractLeastSquaresOptimizerAbstractTest}} since that class is meant to test 
an optimizer, while the functionality here is an _input_ to the optimizer.


was (Author: erans):
bq. Will the unit test extend AbstractLeastSquaresOptimizerAbstractTest? Or 
will it extend nothing?

As per my previous comment, it should not extend 
{{AbstractLeastSquaresOptimizerAbstractTest}} since that class is meant to test 
an optimizer, while the functionality here concerns is an _input_ to the 
optimizer.


> Create a way to calculate the Jacobian Matrix using a Differentiator
> --------------------------------------------------------------------
>
>                 Key: MATH-1459
>                 URL: https://issues.apache.org/jira/browse/MATH-1459
>             Project: Commons Math
>          Issue Type: Improvement
>    Affects Versions: 4.X
>            Reporter: adrian
>            Priority: Minor
>             Fix For: 4.X
>
>
> Create a way to automatically calculateĀ a Jacobian Matrix using a 
> Differentiator.
> I have done this with a pull request, but would like feedback.
> edit:  https://github.com/apache/commons-math/pull/84



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