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- CALL LA_SYGV / LA_HEGV
( A, B, W, ITYPE=itype, JOBZ=jobz, &
UPLO=uplo, INFO=info )
Computes all the eigenvalues and, optionally, the eigenvectors
of a real generalized symmetric-definite or complex Hermitian-definite
eigenproblem
- CALL LA_SPGV / LA_HPGV
( AP, BP, W, ITYPE=itype, UPLO=uplo, Z=z, &
INFO=info )
Computes all the eigenvalues and, optionally, the
eigenvectors of a real/complex Hermitian generalized eigenproblem. The
matrices are in packed storage.
- CALL LA_SBGV / LA_HBGV
( AB, BB, W, UPLO=uplo, Z=z, INFO=info )
Computes all the eigenvalues and, optionally, all
eigenvectors of a real generalized symmetric-definite / complex Hermitian
banded eigenproblem.
- CALL LA_GGES
( A, B, <alpha>, BETA, VSL=vsl, VSR=vsr, &
SELECT=select, SDIM=sdim, INFO=info )
Computes for a pair of n by n non-symmetric matrices
A, B the generalized eigenvalues real or complex Schur form, the generalized
eigenvalues in the form of scalar pairs (alpha,beta), and, optionally,
the left and/or right Schur vectors.
<alpha> ::= ALPHAR, ALPHAI | ALPHA
- CALL LA_GEGS
( A, B, <alpha>=alpha, BETA=beta, VSL=vsl, VSR=vsr, INFO=info )
Computes for a pair of n by n non-symmetric matrices
A, B the generalized eigenvalues real or complex Schur form, the generalized
eigenvalues in the form of scalar pairs (alpha,beta), and, optionally,
the left and/or right Schur vectors.
<alpha> ::= ALPHAR, ALPHAI | ALPHA
- CALL LA_GGEV
( A, B, <alpha>, BETA, VL=vl, VR=vr, INFO=info )
Computes for a pair of n by n real or complex matrices (A,B)
the generalized eigenvalues in the form of scalar pairs (alpha, beta)
and, optionally, the left and/or right generalized eigenvectors.
<alpha> ::= ALPHAR, ALPHAI | ALPHA
- CALL LA_GEGV
( A, B, <alpha>=alpha, BETA=beta, VL=vl, VR=vr, INFO=info )
Computes for a pair of n by n real or complex matrices (A,B)
the generalized eigenvalues in the form of scalar pairs (alpha, beta)
and, optionally, the left and/or right generalized eigenvectors.
<alpha> ::= ALPHAR, ALPHAI | ALPHA
- CALL LA_GGSVD
( A, B, ALPHA, BETA, K=k, L=l, U=u, V=v, Q=q, IWORK=iwork, INFO=info )
Computes the generalized singular values and, optionally,
the transformation matrices from the generalized singular value
decomposition (GSVD) of a real or complex matrix pair (A,B), where A
is m by n and B is p by n.
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Next: Divide and Conquer Driver
Up: Index of LAPACK95 Routines
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Minka Marinova
2000-09-07