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Class D4a1 ... Real symmetric matrix eigenvalue problems

Modules for class D4a1

Package CEPHES at NETLIB

LINALG C routines for performing matrix operations, solving linear systems, finding eig ...

Package CLAPACK at NETLIB

DSBEV.C (SSBEV.C) Computes all eigenvalues and eigenvectors of a real symmetric band matrix. (Simp ...
DSBEVD.C (SSBEVD.C) Computes all eigenvalues and, optionally, eigenvectors of a real symmetric band ...
DSBEVX.C (SSBEVX.C) Computes selected eigenvalues and eigenvectors of a real symmetric band matrix. ...
DSPEV.C (SSPEV.C) Computes all eigenvalues and eigenvectors of a real symmetric matrix in packed s ...
DSPEVD.C (SSPEVD.C) Computes all eigenvalues and, optionally, eigenvectors of a real symmetric matri ...
DSPEVX.C (SSPEVX.C) Computes selected eigenvalues and eigenvectors of a real symmetric matrix in pac ...
DSTEV.C (SSTEV.C) Computes all eigenvalues and eigenvectors of a real symmetric tridiagonal matrix ...
DSTEVD.C (SSTEVD.C) Computes all eigenvalues and, optionally, eigenvectors of a real symmetric tridi ...
DSTEVX.C (SSTEVX.C) Computes selected eigenvalues and eigenvectors of a real symmetric tridiagonal m ...
DSYEV.C (SSYEV.C) Computes all eigenvalues and eigenvectors of a real symmetric matrix. (Simple dr ...
DSYEVD.C (SSYEVD.C) Computes all eigenvalues and, optionally, eigenvectors of a real symmetric matri ...
DSYEVX.C (SSYEVX.C) Computes selected eigenvalues and eigenvectors of a real symmetric matrix. (Expe ...
SSBEV.C (DSBEV.C) Computes all eigenvalues and eigenvectors of a real symmetric band matrix. (Simp ...
SSBEVD.C (DSBEVD.C) Computes all eigenvalues and, optionally, eigenvectors of a real symmetric band ...
SSBEVX.C (DSBEVX.C) Computes selected eigenvalues and eigenvectors of a real symmetric band matrix. ...
SSPEV.C (DSPEV.C) Computes all eigenvalues and eigenvectors of a real symmetric matrix in packed s ...
SSPEVD.C (DSPEVD.C) Computes all eigenvalues and, optionally, eigenvectors of a real symmetric matri ...
SSPEVX.C (DSPEVX.C) Computes selected eigenvalues and eigenvectors of a real symmetric matrix in pac ...
SSTEV.C (DSTEV.C) Computes all eigenvalues and eigenvectors of a real symmetric tridiagonal matrix ...
SSTEVD.C (DSTEVD.C) Computes all eigenvalues and, optionally, eigenvectors of a real symmetric tridi ...
SSTEVX.C (DSTEVX.C) Computes selected eigenvalues and eigenvectors of a real symmetric tridiagonal m ...
SSYEV.C (DSYEV.C) Computes all eigenvalues and eigenvectors of a real symmetric matrix. (Simple dr ...
SSYEVD.C (DSYEVD.C) Computes all eigenvalues and, optionally, eigenvectors of a real symmetric matri ...
SSYEVX.C (DSYEVX.C) Computes selected eigenvalues and eigenvectors of a real symmetric matrix. (Expe ...

Package CMLIB at ITL|ARNO

RS Computes eigenvalues and, optionally, eigenvectors of a real symmetric matrix.
RSP Compute eigenvalues and, optionally, eigenvectors of a real symmetric matrix pac ...
SSIEV Computes the eigenvalues and, optionally, the eigenvectors of a real symmetric m ...
SSPEV Computes eigenvalues and, optionally eigenvectors of real symmetric matrix store ...

Package EISPACK at NETLIB|ARNO

RS Computes eigenvalues and, optionally, eigenvectors of a real symmetric matrix.
RSP Compute eigenvalues and, optionally, eigenvectors of a real symmetric matrix pac ...

Package GO at NETLIB

UNDERWOOD Solves sparse symmetric eigenproblems using the iterative block Lanczos method. ...

Package IMSLM at ITL

DEVASF (EVASF) Compute the largest or smallest eigenvalues of a real symmetric matrix.
DEVBSF (EVBSF) Compute the eigenvalues in a given range of a real symmetric matrix.
DEVCSF (EVCSF) Compute all of the eigenvalues and eigenvectors of a real symmetric matrix.
DEVESF (EVESF) Compute the largest or smallest eigenvalues and the corresponding eigenvectors o ...
DEVFSF (EVFSF) Compute the eigenvalues in a given range and the corresponding eigenvectors of a ...
DEVLSF (EVLSF) Compute all of the eigenvalues of a real symmetric matrix.
EVASF (DEVASF) Compute the largest or smallest eigenvalues of a real symmetric matrix.
EVBSF (DEVBSF) Compute the eigenvalues in a given range of a real symmetric matrix.
EVCSF (DEVCSF) Compute all of the eigenvalues and eigenvectors of a real symmetric matrix.
EVESF (DEVESF) Compute the largest or smallest eigenvalues and the corresponding eigenvectors o ...
EVFHF Compute the eigenvalues in a given range and the corresponding eigenvectors of a ...
EVFSF (DEVFSF) Compute the eigenvalues in a given range and the corresponding eigenvectors of a ...
EVLSF (DEVLSF) Compute all of the eigenvalues of a real symmetric matrix.

Package IMSLS at ITL

DEVCSF (EVCSF) Compute all of the eigenvalues and eigenvectors of a real symmetric matrix.
EVCSF (DEVCSF) Compute all of the eigenvalues and eigenvectors of a real symmetric matrix.

Package LAPACK at NETLIB|ITL|ARNO

DSBEV (SSBEV) Computes all eigenvalues and eigenvectors of a real symmetric band matrix. (Simp ...
DSBEVD (SSBEVD) Computes all eigenvalues and, optionally, eigenvectors of a real symmetric band ...
DSBEVX (SSBEVX) Computes selected eigenvalues and eigenvectors of a real symmetric band matrix. ...
DSPEV (SSPEV) Computes all eigenvalues and eigenvectors of a real symmetric matrix in packed s ...
DSPEVD (SSPEVD) Computes all eigenvalues and, optionally, eigenvectors of a real symmetric matri ...
DSPEVX (SSPEVX) Computes selected eigenvalues and eigenvectors of a real symmetric matrix in pac ...
DSTEV (SSTEV) Computes all eigenvalues and eigenvectors of a real symmetric tridiagonal matrix ...
DSTEVD (SSTEVD) Computes all eigenvalues and, optionally, eigenvectors of a real symmetric tridi ...
DSTEVX (SSTEVX) Computes selected eigenvalues and eigenvectors of a real symmetric tridiagonal m ...
DSYEV (SSYEV) Computes all eigenvalues and eigenvectors of a real symmetric matrix. (Simple dr ...
DSYEVD (SSYEVD) Computes all eigenvalues and, optionally, eigenvectors of a real symmetric matri ...
DSYEVX (SSYEVX) Computes selected eigenvalues and eigenvectors of a real symmetric matrix. (Expe ...
SSBEV (DSBEV) Computes all eigenvalues and eigenvectors of a real symmetric band matrix. (Simp ...
SSBEVD (DSBEVD) Computes all eigenvalues and, optionally, eigenvectors of a real symmetric band ...
SSBEVX (DSBEVX) Computes selected eigenvalues and eigenvectors of a real symmetric band matrix. ...
SSPEV (DSPEV) Computes all eigenvalues and eigenvectors of a real symmetric matrix in packed s ...
SSPEVD (DSPEVD) Computes all eigenvalues and, optionally, eigenvectors of a real symmetric matri ...
SSPEVX (DSPEVX) Computes selected eigenvalues and eigenvectors of a real symmetric matrix in pac ...
SSTEV (DSTEV) Computes all eigenvalues and eigenvectors of a real symmetric tridiagonal matrix ...
SSTEVD (DSTEVD) Computes all eigenvalues and, optionally, eigenvectors of a real symmetric tridi ...
SSTEVX (DSTEVX) Computes selected eigenvalues and eigenvectors of a real symmetric tridiagonal m ...
SSYEV (DSYEV) Computes all eigenvalues and eigenvectors of a real symmetric matrix. (Simple dr ...
SSYEVD (DSYEVD) Computes all eigenvalues and, optionally, eigenvectors of a real symmetric matri ...
SSYEVX (DSYEVX) Computes selected eigenvalues and eigenvectors of a real symmetric matrix. (Expe ...

Package LASO at NETLIB

DILASO (SILASO) Computes all the eigenvalues and eigenvectors of a large sparse symmetric matrix ...
DNLASO (SNLASO) Computes a few eigenvalues and eigenvectors at one end of the spectrum of a larg ...
SILASO (DILASO) Computes all the eigenvalues and eigenvectors of a large sparse symmetric matrix ...
SNLASO (DNLASO) Computes a few eigenvalues and eigenvectors at one end of the spectrum of a larg ...

Package LINALG at NETLIB

HSSXEV Solves large real symmetric eigenvalue problems using external storage. (Develop ...

Package MISC at NETLIB

SYEVJ Computes the nonzero eigenvalues and the corresponding eigenvectors of a symmetr ...

Package NAG at ITL

F02BBF Calculates selected eigenvalues and eigenvectors of a real symmetric matrix by H ...
F02FAF Computes all the eigenvalues, and optionally all the eigenvectors, of a real sym ...
F02FCF Computes selected eigenvalues, and optionally the corresponding eigenvectors, of ...
F06BPF Compute eigenvalue of 2-by-2 real symmetric matrix.
F08FCF Computes all the eigenvalues, and optionally all the eigenvectors, of a real sym ...
F08HCF Computes all the eigenvalues, and optionally all the eigenvectors, of a real ymm ...

Package NAGC at ITL

NAG_REAL_SYMM_EIGENSYSTEM Calculates all the eigenvalues and eigenvectors of a real symmetric matrix.
NAG_REAL_SYMM_EIGENVALUES Calculates all the eigenvalues of a real symmetric matrix.

Package NAPACK at NETLIB

HDIAG Calculates eigenvalues and eigenvectors of a symmetric band matrix.
HVALS Computes all eigenvalues of a symmetric band matrix.
SDIAG Calculates eigenvalues and eigenvectors of a symmetric matrix.
SDIAG2 Computes eigenvalues and eigenvectors of a real symmetric matrix.
SVALS Computes all eigenvalues of a symmetric matrix.
TDG Calculates eigenvalues and eigenvectors of a symmetric tridiagonal matrix.

Package NASHLIB at ITL

A13 Use the singular value decomposition to find the eigenvalues and eigenvectors of ...
A14A15 Use the Jacobi algorithm to find the eigenvalues and eigenvectors of a real symm ...
A25 Use the conjugate gradient algorithm to find the minimum of a Rayleigh quotient.

Package SCRUNCH at ITL

SYMEIG Computes the eigenvalues and, optionally, the eigenvectors of a real symmetric m ...

Package SEISPACK at NETLIB|ARNO

RS Computes eigenvalues and, optionally, eigenvectors of a real symmetric matrix.
RSP Compute eigenvalues and, optionally, eigenvectors of a real symmetric matrix pac ...

Package SLATEC at ITL|ARNO

RS Compute the eigenvalues and, optionally, the eigenvectors of a real symmetric ma ...
RSP Compute the eigenvalues and, optionally, the eigenvectors of a real symmetric ma ...
SSIEV Compute the eigenvalues and, optionally, the eigenvectors of a real symmetric ma ...
SSPEV Compute the eigenvalues and, optionally, the eigenvectors of a real symmetric ma ...

Package TOMS at NETLIB

530 TRIZD, IMZD, and TBAKZD: FORTRAN subroutines for computing the eigenvalues and e ...

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