Searched refs:delta_gradient_history_ (Results 1 – 2 of 2) sorted by relevance
84 delta_gradient_history_(num_parameters, max_num_corrections), in LowRankInverseHessian()112 delta_gradient_history_.col(next) = delta_gradient; in Update()134 search_direction -= alpha_i * delta_gradient_history_.col(*it); in RightMultiply()179 const double beta = delta_gradient_history_.col(*it).dot(search_direction) / in RightMultiply()
100 ColMajorMatrix delta_gradient_history_; variable