Lines Matching refs:qtf
101 FVectorType fvec, qtf, diag;
176 qtf.resize(n);
245 /* qtf. */
248 qtf = wa4.head(n);
255 gnorm = (std::max)(gnorm, abs( fjac.col(j).head(j+1).dot(qtf.head(j+1)/fnorm) / wa2[permutation.indices()[j]]));
268 internal::lmpar2<Scalar>(qrfac, diag, qtf, delta, par, wa1);
386 // Only R is stored in fjac. Q is only used to compute 'qtf', which is
387 // Q.transpose()*rhs. qtf will be updated using givens rotation,
395 qtf.resize(n);
440 /* n components in qtf. */
441 qtf.fill(0.);
446 internal::rwupdt<Scalar>(fjac, wa3, qtf, fvec[i]);
452 /* reorder its columns and update the components of qtf. */
476 sum += fjac(i,j) * qtf[i];
479 qtf[i] += fjac(i,j) * temp;
505 gnorm = (std::max)(gnorm, abs( fjac.col(j).head(j+1).dot(qtf.head(j+1)/fnorm) / wa2[permutation.indices()[j]]));
518 internal::lmpar<Scalar>(fjac, permutation.indices(), diag, qtf, delta, par, wa1);