Esempio n. 1
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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)
Esempio n. 2
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File: basic.py Progetto: minrk/scipy
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)
Esempio n. 3
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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)
Esempio n. 4
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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)