sph.py 文件源码

def besselj(n, z):
    """Bessel function of first kind of order n at kr.
    Wraps scipy.special.jn(n, z).

    Parameters
    ----------
    n : array_like
       Order
    kr: array_like
       Argument

    Returns
    -------
    J : array_like
       Values of Bessel function of order n at position z
    """
    return scy.jv(n, _np.complex_(z))