Lines Matching refs:eigenvector
72 int ff_pca(PCA *pca, double *eigenvector, double *eigenvalue){
78 memset(eigenvector, 0, sizeof(double)*n*n);
82 eigenvector[j + j*n] = 1.0;
111 double tmp= eigenvector[k + j*n];
112 eigenvector[k + j*n]= eigenvector[i + j*n];
113 eigenvector[i + j*n]= tmp;
153 ROTATE(eigenvector,k,i,k,j)
178 double eigenvector[LEN*LEN];
209 ff_pca(pca, eigenvector, eigenvalue);
230 v[j] += pca->covariance[FFMIN(k,j) + FFMAX(k,j)*LEN] * eigenvector[i + k*LEN];
233 error += fabs(v[j] - eigenvector[i + j*LEN]);
241 printf("%9.6f ", eigenvector[i + j*LEN]);