def y1p_zeros(nt,complex=0):
"""Returns nt (complex or real) zeros of Y1'(z), z1', and the value
of Y1(z1') at each zero.
"""
if not isscalar(nt) or (floor(nt)!=nt) or (nt <=0):
raise ValueError("Arguments must be scalar positive integer.")
kf = 2
kc = (complex != 1)
return specfun.cyzo(nt,kf,kc)
def y1p_zeros(nt, complex=0):
"""Returns nt (complex or real) zeros of Y1'(z), z1', and the value
of Y1(z1') at each zero.
"""
if not isscalar(nt) or (floor(nt) != nt) or (nt <= 0):
raise ValueError, "Arguments must be scalar positive integer."
kf = 2
kc = (complex != 1)
return specfun.cyzo(nt, kf, kc)
def y0_zeros(nt,complex=0):
"""Returns nt (complex or real) zeros of Y0(z), z0, and the value
of Y0'(z0) = -Y1(z0) at each zero.
"""
if not isscalar(nt) or (floor(nt)!=nt) or (nt <=0):
raise ValueError, "Arguments must be scalar positive integer."
kf = 0
kc = (complex != 1)
return specfun.cyzo(nt,kf,kc)
def y0_zeros(nt, complex=0):
"""Returns nt (complex or real) zeros of Y0(z), z0, and the value
of Y0'(z0) = -Y1(z0) at each zero.
"""
if not isscalar(nt) or (floor(nt) != nt) or (nt <= 0):
raise ValueError("Arguments must be scalar positive integer.")
kf = 0
kc = (complex != 1)
return specfun.cyzo(nt, kf, kc)