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https://issues.apache.org/jira/browse/MATH-726?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13195890#comment-13195890
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Gilles commented on MATH-726:
-----------------------------
bq. The additional input like tolerances can be specified in the Ridders
constructor, [...]
This sentence makes me think that we don't understand each other: the tolerance
currently _is_ passed in the constructor. It is the method that computes the
derivative (which takes additional parameters and returns a {{double}} in
"RiddersFirstDerivative", while in "nabla" I think that the equivalent method
would return a "function" object).
Anyways, this should not be a blocking issue, while at the same time, we should
probably not jump too quickly to a conclusion concerning the API (here and
there). So probably better to leave this for later.
> Ridders derivative
> ------------------
>
> Key: MATH-726
> URL: https://issues.apache.org/jira/browse/MATH-726
> Project: Commons Math
> Issue Type: New Feature
> Reporter: Gilles
> Assignee: Gilles
> Priority: Minor
> Labels: features
> Fix For: 3.0
>
> Attachments: RiddersFirstDerivative.java
>
>
> Implementation of the numerical first derivative, as described in:
> {noformat}
> Accurate computation of F'(x) and F'(x) F''(x)
> C. J. F. Ridders
> Adv. Eng. Software, 1982, Vol 4, No. 2
> {noformat}
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