XLPack 6.1
C/C++ API Reference Manual
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Functions
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.