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  /external/ceres-solver/internal/ceres/
low_rank_inverse_hessian.cc 132 const double alpha_i = delta_x_history_.col(*it).dot(search_direction) / local
134 search_direction -= alpha_i * delta_gradient_history_.col(*it);
135 alpha(*it) = alpha_i;
  /external/opencv/ml/src/
mlsvm.cpp 343 // 0 <= alpha_i <= Cp for y_i = 1
344 // 0 <= alpha_i <= Cn for y_i = -1
614 double alpha_i = alpha[i]; local
617 G[j] += alpha_i*Q_i[j];
626 double old_alpha_i, old_alpha_j, alpha_i, alpha_j; local
649 alpha_i = old_alpha_i = alpha[i];
656 double diff = alpha_i - alpha_j;
657 alpha_i += delta;
663 alpha_i = diff;
665 else if( diff <= 0 && alpha_i < 0
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