Searched refs:inverse_hessian_ (Results 1 – 1 of 1) sorted by relevance
161 inverse_hessian_ = Matrix::Identity(num_parameters, num_parameters); in BFGS()255 inverse_hessian_ *= approximate_eigenvalue_scale; in NextDirection()299 inverse_hessian_.selfadjointView<Eigen::Lower>()); in NextDirection()304 inverse_hessian_.selfadjointView<Eigen::Lower>() * in NextDirection()314 inverse_hessian_.triangularView<Eigen::Lower>() += in NextDirection()319 inverse_hessian_.selfadjointView<Eigen::Lower>() * in NextDirection()337 Matrix inverse_hessian_; member in ceres::internal::BFGS