scipy.optimize.LbfgsInvHessProduct.dot

LbfgsInvHessProduct.dot(x)[source]

Matrix-matrix or matrix-vector multiplication.

Parameters:

x : array_like

1-d or 2-d array, representing a vector or matrix.

Returns:

Ax : array

1-d or 2-d array (depending on the shape of x) that represents the result of applying this linear operator on x.