Lines Matching refs:x_plus_delta
157 Vector x_plus_delta(num_parameters);
183 if (!evaluator->Plus(x.data(), delta.data(), x_plus_delta.data())) {
190 x_min = x_plus_delta;
191 x = x_plus_delta;
396 if (evaluator->Plus(x.data(), delta.data(), x_plus_delta.data())) {
397 if (!evaluator->Evaluate(x_plus_delta.data(),
407 LOG(WARNING) << "x_plus_delta = Plus(x, delta) failed. "
417 Vector inner_iteration_x = x_plus_delta;
428 x_plus_delta = inner_iteration_x;
455 iteration_summary.step_norm = (x - x_plus_delta).norm();
570 x = x_plus_delta;