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[RFC]: add support for computing the derivative of cardinal sine (cosc) #224

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kgryte opened this issue Oct 23, 2018 · 1 comment · May be fixed by #257 or #3122
Open
3 tasks done

[RFC]: add support for computing the derivative of cardinal sine (cosc) #224

kgryte opened this issue Oct 23, 2018 · 1 comment · May be fixed by #257 or #3122
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difficulty: 1 Low degree of difficulty. Should be straightforward to implement and/or resolve. Feature Issue or pull request for adding a new feature. Good First Issue A good first issue for new contributors! Help Wanted Extra attention is needed. Math Issue or pull request specific to math functionality. RFC Request for comments. Feature requests and proposed changes.

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@kgryte
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kgryte commented Oct 23, 2018

Checklist

Please ensure the following tasks are completed before submitting a feature request.

  • Read and understood the Code of Conduct.
  • Searched for existing issues and pull requests.
  • The issue name begins with RFC:.

Description

Description of the feature request.

This RFC proposes adding support for computing the derivative of cardinal sine. Apart from special cases, the implementation is straightforward:

    return (cospi( x ) - (sinpi( x )/(PI*x)) / x;

Package: @stdlib/math/base/special/cosc
Alias: base.cosc

Related Issues

Does this feature request have any related issues?

No.

Questions

Any questions for reviewers?

No.

Other

Any other information relevant to this feature request? This may include screenshots, references, sample output, and/or implementation notes.

Reference implementations:
@kgryte kgryte added Help Wanted Extra attention is needed. Feature Issue or pull request for adding a new feature. difficulty: 1 Low degree of difficulty. Should be straightforward to implement and/or resolve. Math Issue or pull request specific to math functionality. Good First Issue A good first issue for new contributors! RFC Request for comments. Feature requests and proposed changes. labels Oct 23, 2018
@Rinbo Rinbo linked a pull request Mar 14, 2019 that will close this issue
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@kgryte kgryte changed the title RFC: add support for computing the derivative of cardinal sine (cosc) [RFC]: add support for computing the derivative of cardinal sine (cosc) Nov 13, 2024
@RiyaChy072 RiyaChy072 linked a pull request Nov 16, 2024 that will close this issue
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difficulty: 1 Low degree of difficulty. Should be straightforward to implement and/or resolve. Feature Issue or pull request for adding a new feature. Good First Issue A good first issue for new contributors! Help Wanted Extra attention is needed. Math Issue or pull request specific to math functionality. RFC Request for comments. Feature requests and proposed changes.
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