numpy.polynomial.chebyshev.chebpts2#
- polynomial.chebyshev.chebpts2(npts)[source]#
Chebyshev points of the second kind.
The Chebyshev points of the second kind are the points
cos(x)
, wherex = [pi*k/(npts - 1) for k in range(npts)]
sorted in ascending order.- Parameters:
- nptsint
Number of sample points desired.
- Returns:
- ptsndarray
The Chebyshev points of the second kind.
Notes
New in version 1.5.0.