ib.org/lapack/lug/node53.html">http://www.netlib.org/lapack/lug/node53.html</a> for Lapack subroutines.</p><p>The source of ZGESVD can be found at <a href="http://www.netlib.org/lapack/explore-html/d6/d42/zgesvd_8f.html">http://www.netlib.org/lapack/explore-html/d6/d42/zgesvd_8f.html</a>. ZGESVD calls other lapack subroutines:</p><div><ul><li>ZBDSQR computes the singular values and, optionally, the right and/or left singular vectors from the singular value decomposition (SVD) of a real N-by-N (upper or lowe