Module « scipy.optimize »

Fonction rosen_hess_prod - module scipy.optimize

Signature de la fonction rosen_hess_prod

def rosen_hess_prod(x, p) 

Description

rosen_hess_prod.__doc__

    Product of the Hessian matrix of the Rosenbrock function with a vector.

    Parameters
    ----------
    x : array_like
        1-D array of points at which the Hessian matrix is to be computed.
    p : array_like
        1-D array, the vector to be multiplied by the Hessian matrix.

    Returns
    -------
    rosen_hess_prod : ndarray
        The Hessian matrix of the Rosenbrock function at `x` multiplied
        by the vector `p`.

    See Also
    --------
    rosen, rosen_der, rosen_hess

    Examples
    --------
    >>> from scipy.optimize import rosen_hess_prod
    >>> X = 0.1 * np.arange(9)
    >>> p = 0.5 * np.arange(9)
    >>> rosen_hess_prod(X, p)
    array([  -0.,   27.,  -10.,  -95., -192., -265., -278., -195., -180.])