s(x)``,
    where ``x = [pi*(k + .5)/npts for k in range(npts)]``.

    Parameters
    ----------
    npts : int
        Number of sample points desired.

    Returns
    -------
    pts : ndarray
        The Chebyshev points of the first kind.

    See Also
    --------
    chebpts2

    Notes
    -----

    .. versionadded:: 1.5.0

    ú