Lines Matching defs:sum
59 double sum= covar[i][j];
62 sum -= factor[i][k]*factor[j][k];
65 if(sum < threshold)
66 sum= 1.0;
67 factor[i][i]= sqrt(sum);
69 factor[j][i]= sum / factor[i][i];
73 double sum= covar_y[i+1];
75 sum -= factor[i][k]*m->coeff[0][k];
76 m->coeff[0][i]= sum / factor[i][i];
81 double sum= m->coeff[0][i];
83 sum -= factor[k][i]*m->coeff[j][k];
84 m->coeff[j][i]= sum / factor[i][i];
89 double sum= m->coeff[j][i]*covar[i][i] - 2*covar_y[i+1];
91 sum += 2*m->coeff[j][k]*covar[k][i];
92 m->variance[j] += m->coeff[j][i]*sum;