Class D4b1 ... Real symmetric generalized matrix eigenvalue problems

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Modules for class D4b1

• DSBGV.C (SSBGV.C) Computes all the eigenvalues and, optionally, the eigenvectors, of a real genera ...
• DSPGV.C (SSPGV.C) Computes all eigenvalues and eigenvectors of a generalized real symmetric-defini ...
• DSYGV.C (SSYGV.C) Computes all eigenvalues and the eigenvectors of a generalized real symmetric-de ...
• SSBGV.C (DSBGV.C) Computes all the eigenvalues and, optionally, the eigenvectors, of a real genera ...
• SSPGV.C (DSPGV.C) Computes all eigenvalues and eigenvectors of a generalized real symmetric-defini ...
• SSYGV.C (DSYGV.C) Computes all eigenvalues and the eigenvectors of a generalized real symmetric-de ...

• RSG Computes eigenvalues and, optionally, eigenvectors of real symmetric generalized ...
• RSGAB Computes eigenvalues and, optionally, eigenvectors of real symmetric generalized ...
• RSGBA Computes eigenvalues and, optionally, eigenvectors of real symmetric generalized ...

• RSG Computes eigenvalues and, optionally, eigenvectors of real symmetric generalized ...
• RSGAB Computes eigenvalues and, optionally, eigenvectors of real symmetric generalized ...
• RSGBA Computes eigenvalues and, optionally, eigenvectors of real symmetric generalized ...

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

• DGVCSP (GVCSP) Compute all of the eigenvalues and eigenvectors of the generalized real symmetri ...
• DGVLSP (GVLSP) Compute all of the eigenvalues of the generalized real symmetric eigenvalue prob ...
• GVCSP (DGVCSP) Compute all of the eigenvalues and eigenvectors of the generalized real symmetri ...
• GVLSP (DGVLSP) Compute all of the eigenvalues of the generalized real symmetric eigenvalue prob ...

• DGVLSP (GVLSP) Compute all of the eigenvalues of the generalized real symmetric eigenvalue prob ...
• GVLSP (DGVLSP) Compute all of the eigenvalues of the generalized real symmetric eigenvalue prob ...

• LANZ Solves the generalized eigenproblem Kx=cMx, with symmetric positive definite K a ...

• DSBGV (SSBGV) Computes all the eigenvalues and, optionally, the eigenvectors, of a real genera ...
• DSPGV (SSPGV) Computes all eigenvalues and eigenvectors of a generalized real symmetric-defini ...
• DSYGV (SSYGV) Computes all eigenvalues and the eigenvectors of a generalized real symmetric-de ...
• SSBGV (DSBGV) Computes all the eigenvalues and, optionally, the eigenvectors, of a real genera ...
• SSPGV (DSPGV) Computes all eigenvalues and eigenvectors of a generalized real symmetric-defini ...
• SSYGV (DSYGV) Computes all eigenvalues and the eigenvectors of a generalized real symmetric-de ...

• F02FDF Computes all the eigenvalues, and optionally all the eigenvectors, of a real sym ...
• F02FJF Finds eigenvalues and eigenvectors of a real sparse symmetric or generalised sym ...

• NAG_REAL_SYMM_GENERAL_EIGENSYSTEM Calculates all the eigenvalues and eigenvectors of Ax = lambda Bx, where A is a ...
• NAG_REAL_SYMM_GENERAL_EIGENVALUES Calculates all the eigenvalues of Ax = lambda Bx, where A is a real symmetric ma ...

• A14A15 Use the Jacobi algorithm to find the eigenvalues and eigenvectors of a real symm ...

• RSG Computes eigenvalues and, optionally, eigenvectors of real symmetric generalized ...
• RSGAB Computes eigenvalues and, optionally, eigenvectors of real symmetric generalized ...
• RSGBA Computes eigenvalues and, optionally, eigenvectors of real symmetric generalized ...

• RSG Compute the eigenvalues and, optionally, the eigenvectors of a symmetric general ...
• RSGAB Compute the eigenvalues and, optionally, the eigenvectors of a symmetric general ...
• RSGBA Compute the eigenvalues and, optionally, the eigenvectors of a symmetric general ...

• 538 SIMITZ: a Fortran subroutine for computing eigenvalues largest in magnitude and ...
• 646 PDFIND: a Fortran subprogram for finding a positive definite linear combination ...