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  /external/ceres-solver/internal/ceres/
line_search_minimizer.h 56 search_direction(num_effective_parameters),
65 Vector search_direction; member in struct:ceres::internal::LineSearchMinimizer::State
low_rank_inverse_hessian.cc 92 VectorRef search_direction(y_ptr, num_parameters_);
94 search_direction = gradient;
99 alpha(i) = delta_x_history_.col(i).dot(search_direction) /
101 search_direction -= alpha(i) * delta_gradient_history_.col(i);
135 search_direction *= approximate_eigenvalue_scale_;
139 const double beta = delta_gradient_history_.col(i).dot(search_direction) /
141 search_direction += delta_x_history_.col(i) * (alpha(i) - beta);
line_search_direction.cc 47 Vector* search_direction) {
48 *search_direction = -current.gradient;
63 Vector* search_direction) {
78 previous.search_direction.dot(gradient_change));
84 *search_direction = -current.gradient + beta * previous.search_direction;
86 current.gradient.dot(*search_direction);
90 *search_direction = -current.gradient;
115 Vector* search_direction) {
122 previous.search_direction * previous.step_size
    [all...]
line_search_direction.h 68 Vector* search_direction) = 0;
line_search_minimizer.cc 229 current_state.search_direction = -current_state.gradient;
234 &current_state.search_direction);
267 current_state.search_direction = -current_state.gradient;
270 line_search_function.Init(x, current_state.search_direction);
272 current_state.gradient.dot(current_state.search_direction);
306 delta = current_state.step_size * current_state.search_direction;

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