Lines Matching defs:rank
58 /* jacobian is rank-deficient, obtain a least squares solution. */
60 // const Index rank = qr.nonzeroPivots(); // exactly double(0.)
61 const Index rank = qr.rank(); // use a threshold
63 wa1.tail(n-rank).setZero();
65 wa1.head(rank) = s.topLeftCorner(rank,rank).template triangularView<Upper>().solve(qtb.head(rank));
81 /* if the jacobian is not rank deficient, the newton */
85 if (rank==n) {
