D2b2. Solution of systems of linear equations (symmetric positive definite banded matrices) - Computational routines

Functions
void	dpbcon (char uplo, int n, int kd, int ldab, double ab[], double anorm, double *rcond, double work[], int iwork[], int *info)
	Condition number of a symmetric positive definite band matrix
void	dpbtrf (char uplo, int n, int kd, int ldab, double ab[], int *info)
	Cholesky factorization of a symmetric positive definite band matrix
void	dpbtrs (char uplo, int n, int kd, int nrhs, int ldab, double ab[], int ldb, double b[], int *info)
	Solution to factorized system of linear equations AX = B for a symmetric positive definite band matrix
void	dptcon (int n, double d[], double e[], double anorm, double *rcond, double work[], int *info)
	Condition number of a symmetric positive definite tridiagonal matrix
void	dpttrf (int n, double d[], double e[], int *info)
	LDLT factorization of a symmetric positive definite tridiagonal matrix
void	dpttrs (int n, int nrhs, double d[], double e[], int ldb, double b[], int *info)
	Solution to factorized system of linear equations AX = B for a symmetric positive definite tridiagonal matrix

Detailed Description

This is the group of D2b2. Solution of systems of linear equations (symmetric positive definite banded matrices) - Computational routines.