Lines Matching refs:_df
455 void calc_activ_func_deriv( Mat& _xf, Mat& _df, const Mat& w ) const
465 double* df = _df.ptr<double>(i);
481 double* df = _df.ptr<double>(i);
495 double* df = _df.ptr<double>(i);
509 double* df = _df.ptr<double>(i);
518 exp( _df, _df );
527 double* df = _df.ptr<double>(i);
806 Mat _df(1, n, CV_64F, &df[i][0] );
807 calc_activ_func_deriv( x2, _df, weights[i] );
832 Mat _df(1, n2, CV_64F, &df[i][0]);
833 multiply( grad1, _df, grad1 );
919 Mat _df( x2.size(), CV_64F, &df[i][0] );
920 ann->calc_activ_func_deriv( x2, _df, ann->weights[i] );
951 Mat _df(dcount, n2, CV_64F, &df[i][0]);
952 multiply(grad1, _df, grad1);
