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Searched refs:alpha_i (Results 1 – 2 of 2) sorted by relevance

/external/ceres-solver/internal/ceres/
Dlow_rank_inverse_hessian.cc132 const double alpha_i = delta_x_history_.col(*it).dot(search_direction) / in RightMultiply() local
134 search_direction -= alpha_i * delta_gradient_history_.col(*it); in RightMultiply()
135 alpha(*it) = alpha_i; in RightMultiply()
/external/opencv/ml/src/
Dmlsvm.cpp614 double alpha_i = alpha[i]; in solve_generic() local
617 G[j] += alpha_i*Q_i[j]; in solve_generic()
626 double old_alpha_i, old_alpha_j, alpha_i, alpha_j; in solve_generic() local
649 alpha_i = old_alpha_i = alpha[i]; in solve_generic()
656 double diff = alpha_i - alpha_j; in solve_generic()
657 alpha_i += delta; in solve_generic()
663 alpha_i = diff; in solve_generic()
665 else if( diff <= 0 && alpha_i < 0 ) in solve_generic()
667 alpha_i = 0; in solve_generic()
671 if( diff > C_i - C_j && alpha_i > C_i ) in solve_generic()
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