NAG Parallel Library

F08 - Least-squares and Eigenvalue Problems (ScaLAPACK)

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Chapter Introduction
F08AEFP (PDGEQRF) QR factorization of real general rectangular matrix
F08AFFP (PDORGQR) Form all or part of an orthogonal Q from QR factorization determined by F08AEFP (PDGEQRF)
F08AGFP (PDORMQR) Apply the orthogonal transformation determined by F08AEFP (PDORMQR)
F08ASFP (PZGEQRF) QR factorization of complex general rectangular matrix
F08ATFP (PZUNGQR) Form all or part of a unitary Q from QR factorization determined by F08ASFP (PZGEQRF)
F08AUFP (PZUNMQR) Apply the unitary transformation determined by F08ASFP (PZUNMQR)
F08FEFP (PDSYTRD) Orthogonal reduction of real symmetric matrix to tridiagonal form
* F08FGFP (PDORMTR) Apply orthogonal transformation determined by F08FEFP (PDSYTRD)
* F08FSFP (PZHETRD) Unitary reduction of complex Hermitian matrix to real symmetric tridiagonal form
* F08FUFP (PZUNMTR) Apply unitary transformation matrix determined by F08FSFP (PZHETRD)
F08JJFP (PDSTEBZ) All or selected eigenvalues of real symmetric tridiagonal matrix by bisection
* F08JKFP (PDSTEIN) Selected eigenvectors of real symmetric tridiagonal matrix by inverse iteration, storing eigenvectors in real array
* F08JXFP (PZSTEIN) Selected eigenvectors of real symmetric tridiagonal matrix by inverse iteration, storing eigenvectors in complex array


© The Numerical Algorithms Group Ltd, Oxford UK. 2000