D2b2: Positive-definite banded


F01MCF   LDL factorization of real symmetric positive-definite variable-bandwidth matrix
F04BFF   Computes the solution and error-bound to a real symmetric positive-definite banded system of linear equations
F04BGF   Computes the solution and error-bound to a real symmetric positive-definite tridiagonal system of linear equations
F04MCF   Solution of real symmetric positive-definite variable-bandwidth simultaneous linear equations (coefficient matrix already factorized by F01MCF)
F07HAF   Computes the solution to a real symmetric positive-definite banded system of linear equations (stored in packed format)
F07HBF   Uses the Cholesky factorization to compute the solution, error-bound and condition estimate for a real symmetric positive-definite banded system of linear equations (stored in packed format)
F07HDF   Cholesky factorization of real symmetric positive-definite band matrix
F07HEF   Solution of real symmetric positive-definite band system of linear equations, multiple right-hand sides, matrix already factorized by F07HDF
F07HGF   Estimate condition number of real symmetric positive-definite band matrix, matrix already factorized by F07HDF
F07HHF   Refined solution with error bounds of real symmetric positive-definite band system of linear equations, multiple right-hand sides
F07JAF   Computes the solution to a real symmetric positive-definite tridiagonal system of linear equations
F07JBF   Uses the Cholesky factorization to compute the solution, error-bound and condition estimate for a real symmetric positive-definite tridiagonal system of linear equations
F08UFF   Computes a split Cholesky factorization of real symmetric positive-definite band matrix A
F08UTF   Computes a split Cholesky factorization of complex Hermitian positive-definite band matrix A

D2b2a:   Tridiagonal  (0 routines)

NAG Fortran Library
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