numpy.polynomial.chebyshev.chebpts1

polynomial.chebyshev.chebpts1(npts) [source]

Chebyshev points of the first kind.

The Chebyshev points of the first kind are the points cos(x), where x = [pi*(k + .5)/npts for k in range(npts)].

Parameters

nptsint

Number of sample points desired.

Returns

ptsndarray

The Chebyshev points of the first kind.

See also

chebpts2

Notes

New in version 1.5.0.