def jnyn_zeros(n,nt):
"""Compute nt zeros of the Bessel functions Jn(x), Jn'(x), Yn(x), and
Yn'(x), respectively. Returns 4 arrays of length nt.
See jn_zeros, jnp_zeros, yn_zeros, ynp_zeros to get separate arrays.
"""
if not (isscalar(nt) and isscalar(n)):
raise ValueError("Arguments must be scalars.")
if (floor(n)!=n) or (floor(nt)!=nt):
raise ValueError("Arguments must be integers.")
if (nt <=0):
raise ValueError("nt > 0")
return specfun.jyzo(abs(n),nt)
def jnyn_zeros(n, nt):
"""Compute nt zeros of the Bessel functions Jn(x), Jn'(x), Yn(x), and
Yn'(x), respectively. Returns 4 arrays of length nt.
See jn_zeros, jnp_zeros, yn_zeros, ynp_zeros to get separate arrays.
"""
if not (isscalar(nt) and isscalar(n)):
raise ValueError, "Arguments must be scalars."
if (floor(n) != n) or (floor(nt) != nt):
raise ValueError, "Arguments must be integers."
if (nt <= 0):
raise ValueError, "nt > 0"
return specfun.jyzo(abs(n), nt)