Classe « PPoly »

Méthode scipy.interpolate.PPoly.derivative

Signature de la méthode derivative

def derivative(self, nu=1) 

Description

derivative.__doc__

        Construct a new piecewise polynomial representing the derivative.

        Parameters
        ----------
        nu : int, optional
            Order of derivative to evaluate. Default is 1, i.e., compute the
            first derivative. If negative, the antiderivative is returned.

        Returns
        -------
        pp : PPoly
            Piecewise polynomial of order k2 = k - n representing the derivative
            of this polynomial.

        Notes
        -----
        Derivatives are evaluated piecewise for each polynomial
        segment, even if the polynomial is not differentiable at the
        breakpoints. The polynomial intervals are considered half-open,
        ``[a, b)``, except for the last interval which is closed
        ``[a, b]``.