C++ (Cpp) fmat::t Examples

Example #1

File: training.cpp Project: Arkenan/tp-datos

fmat gdStep(const fmat& Theta, const fmat& X, const fmat& Y, double alpha, double lambda) {
    fmat gradient = (alpha / X.n_rows) * X.t() * (sigmoide(X * Theta) - Y);
    fmat reg = (lambda / X.n_rows) * Theta;
    reg.row(0) = zeros<frowvec>(Y.n_cols);
    return Theta - gradient - reg;
}