D4a7. Eigenvalues and eigenvectors

Functions
void	dgsev (char jobz, int n, const double val[], const int ptr[], const int ind[], int base, int format, double dr[], double di[], int ldz, double z[], const char *which, int nev, double tol, double resid[], int ncv, int ldv, double v[], int maxiter, double workd[], double workl[], int lworkl, double workev[], int iwork[], int *info)
	Eigenvalues and eigenvectors of a general sparse matrix (driver)
void	dgsevs (char jobz, int n, const double val[], const int ptr[], const int ind[], int base, int format, double sigmar, double sigmai, double dr[], double di[], int ldz, double z[], const char *which, int nev, double tol, double resid[], int ncv, int ldv, double v[], int maxiter, double workd[], double workl[], int lworkl, double workev[], int iwork[], int *info)
	Eigenvalues and eigenvectors of a general sparse matrix (shift and invert mode) (driver)
void	dgsgv (char jobz, char uplo2, int n, const double val[], const int ptr[], const int ind[], int base, const double val2[], const int ptr2[], const int ind2[], int base2, int format, double dr[], double di[], int ldz, double z[], const char *which, int nev, double tol, double resid[], int ncv, int ldv, double v[], int maxiter, double workd[], double workl[], int lworkl, double workev[], int iwork[], int *info)
	Generalized eigenvalue problem of a general sparse matrix (simple driver)
void	dgsgvs (char jobz, char uplo2, int n, const double val[], const int ptr[], const int ind[], int base, const double val2[], const int ptr2[], const int ind2[], int base2, int format, double sigmar, double sigmai, double dr[], double di[], int ldz, double z[], const char *which, int nev, double tol, double resid[], int ncv, int ldv, double v[], int maxiter, int mode, double workd[], double workl[], int lworkl, double workev[], int iwork[], int *info)
	Generalized eigenvalue problem of a general sparse matrix (shift and invert mode) (simple driver)
void	dnaupd (int *ido, char bmat, int n, const char *which, int nev, double tol, double resid[], int ncv, int ldv, double v[], int iparam[], int ipntr[], double workd[], double workl[], int lworkl, int *info)
	Arnoldi factorization of a general sparse matrix
void	dneupd (int rvec, char howmny, int select[], double dr[], double di[], int ldz, double z[], double sigmar, double sigmai, double workev[], char bmat, int n, const char *which, int nev, double tol, double resid[], int ncv, int ldv, double v[], int iparam[], int ipntr[], double workd[], double workl[], int lworkl, int *info)
	Approximate eigenvalues and eigenvectors of a general sparse matrix from Arnoldi factorization
void	dsaupd (int *ido, char bmat, int n, const char *which, int nev, double tol, double resid[], int ncv, int ldv, double v[], int iparam[], int ipntr[], double workd[], double workl[], int lworkl, int *info)
	Lanczos factorization of a symmetric sparse matrix
void	dseupd (int rvec, char howmny, int select[], double d[], int ldz, double z[], double sigma, char bmat, int n, const char *which, int nev, double tol, double resid[], int ncv, int ldv, double v[], int iparam[], int ipntr[], double workd[], double workl[], int lworkl, int *info)
	Approximate eigenvalues and eigenvectors of a symmetric sparse matrix from Lanczos factorization
void	dssev (char jobz, char uplo, int n, const double val[], const int ptr[], const int ind[], int base, int format, double d[], int ldz, double z[], const char *which, int nev, double tol, double resid[], int ncv, int ldv, double v[], int maxiter, double workd[], double workl[], int lworkl, int iwork[], int *info)
	Eigenvalues and eigenvectors of a symmetric sparse matrix (driver)
void	dssevs (char jobz, char uplo, int n, const double val[], const int ptr[], const int ind[], int base, int format, double sigma, double d[], int ldz, double z[], const char *which, int nev, double tol, double resid[], int ncv, int ldv, double v[], int maxiter, double workd[], double workl[], int lworkl, int iwork[], int *info)
	Eigenvalues and eigenvectors of a symmetric sparse matrix (shift and invert mode) (driver)
void	dssgv (char jobz, char uplo, char uplo2, int n, const double val[], const int ptr[], const int ind[], int base, const double val2[], const int ptr2[], const int ind2[], int base2, int format, double d[], int ldz, double z[], const char *which, int nev, double tol, double resid[], int ncv, int ldv, double v[], int maxiter, double workd[], double workl[], int lworkl, int iwork[], int *info)
	Generalized eigenvalue problem of a symmetric sparse matrix (driver)
void	dssgvs (char jobz, char uplo, char uplo2, int n, const double val[], const int ptr[], const int ind[], int base, const double val2[], const int ptr2[], const int ind2[], int base2, int format, double sigma, double d[], int ldz, double z[], const char *which, int nev, double tol, double resid[], int ncv, int ldv, double v[], int maxiter, double workd[], double workl[], int lworkl, int iwork[], int *info)
	Generalized eigenvalue problem of a symmetric sparse matrix (shift and invert mode) (driver)

Detailed Description

This is the group of D4a7. Eigenvalues and eigenvectors