dseupd.c File Reference

Functions
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