Beispiel #1
0
def j_l(l, k):
    """Spherical bessel."""
    if l == 0:
        l1 = 1
    else:
        l1 = l
    _, j_l, _, _, _ = csphjy(l1, k) 
    return j_l[l]
Beispiel #2
0
def j_l(l, x):
    """
    The Spherical Bessel function j_l.
    
    Reference:
    http://en.wikipedia.org/wiki/Bessel_function#Spherical_Bessel_functions:_jn.2C_yn
    """
    L = 1 if l == 0 else l
    _, j_l, _, _, _ = csphjy(L, x)
    return j_l[l]
Beispiel #3
0
def j_l(l, x):
    """
    The Spherical Bessel function j_l.
    
    Reference:
    http://en.wikipedia.org/wiki/Bessel_function#Spherical_Bessel_functions:_jn.2C_yn
    """
    L = 1 if l == 0 else l
    _, j_l, _, _, _ = csphjy(L, x)
    return j_l[l]