Révision 107

pobysoPythonSage/src/sageSLZ/sagePolynomialOperations.sage (revision 107)
114 114 
    """
115 115 
    Behaves more or less (no infinity defined) as the norm for the
116 116 
    univariate polynomials.
117 
    Quoting the Sage documentation:
118 
    Definition: For integer p, the p-norm of a polynomial is the pth root of
117 
    Quoting Sage documentation:
118 
    "Definition: For integer p, the p-norm of a polynomial is the pth root of
119 119 
    the sum of the pth powers of the absolute values of the coefficients of
120 
    the polynomial.
120 
    the polynomial."
121 121
122 122 
    """
123 123 
    # TODO: check the arguments (for p see below)..
......
130 130 
                norm = coefficientAbs
131 131 
        return norm
132 132 
    # TODO: check here the value of p
133 
    # p must be an integer.
134 
    if int(p) != p:
133 
    # p must be a positive integer >= 1.
134 
    if p < 1 or (not p in ZZ):
135 135 
        return None
136 
    # p must be >= 1.
137 
    if p < 1:
138 
        return None
139 136 
    # For 1 norm.
140 137 
    if p == 1:
141 138 
        for coefficient in poly.coefficients():

Formats disponibles : Unified diff