[RFC]: evaluate a Chebyshev polynomial of the first kind on `[-2,2]` at a value `x`

[kgryte]

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Description

Description of the issue (or feature request).

Add support for evaluating a Chebyshev polynomial of the first kind on [-2,2] at a value x.

Package: @stdlib/math/base/special/chebyshev-c-polynomial Alias: base.chebyshevcpoly

Implementation should be straightforward, but depends on @stdlib/math/base/special/chebyshev-t-polynomial.

Related Issues

Does this issue (or feature request) have any related issues?

No.

Questions

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No.

Other

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Reference implementations:

• SciPy
• SciPy

[hkcc375]

Hey @kgryte I don't find any package named chebyshev-c-polynomial. Is this issue still open for implementation ?

[kgryte]

@hkcc375 Yes, but, as the OP mentions, it is dependent on the *-t-polynomial implementation.