Lines Matching defs:alpha_i
343 // 0 <= alpha_i <= Cp for y_i = 1
344 // 0 <= alpha_i <= Cn for y_i = -1
614 double alpha_i = alpha[i];
617 G[j] += alpha_i*Q_i[j];
626 double old_alpha_i, old_alpha_j, alpha_i, alpha_j;
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 )
667 alpha_i = 0;
671 if( diff > C_i - C_j && alpha_i > C_i )
673 alpha_i = C_i;
679 alpha_i = C_j + diff;
686 double sum = alpha_i + alpha_j;
687 alpha_i -= delta;
690 if( sum > C_i && alpha_i > C_i )
692 alpha_i = C_i;
698 alpha_i = sum;
704 alpha_i = sum - C_j;
706 else if( sum <= C_j && alpha_i < 0 )
708 alpha_i = 0;
714 alpha[i] = alpha_i;
720 delta_alpha_i = alpha_i - old_alpha_i;
748 // if alpha_i == C, d != +1
749 // if alpha_i == 0, d != -1
837 // if alpha_i == C, d != +1
838 // if alpha_i == 0, d != -1