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Class D2b2a ... Solution of systems of linear equations, including matrix inverses, and LU and related factorizations (real symmetric tridiagonal matrices)

Modules for class D2b2a

DPTCON.C (SPTCON.C) Computes the reciprocal of the condition number of a real symmetric positive def ...
DPTRFS.C (SPTRFS.C) Improves the computed solution to a real symmetric positive definite tridiagonal ...
DPTSV.C (SPTSV.C) Solves a real symmetric positive definite tridiagonal system of linear equations ...
DPTSVX.C (SPTSVX.C) Solves a real symmetric positive definite tridiagonal system of linear equations ...
DPTTRF.C (SPTTRF.C) Computes the LDL**H factorization of a real symmetric positive definite tridiago ...
DPTTRS.C (SPTTRS.C) Solves a real symmetric positive definite tridiagonal system of linear equations ...
SPTCON.C (DPTCON.C) Computes the reciprocal of the condition number of a real symmetric positive def ...
SPTRFS.C (DPTRFS.C) Improves the computed solution to a real symmetric positive definite tridiagonal ...
SPTSV.C (DPTSV.C) Solves a real symmetric positive definite tridiagonal system of linear equations ...
SPTSVX.C (DPTSVX.C) Solves a real symmetric positive definite tridiagonal system of linear equations ...
SPTTRF.C (DPTTRF.C) Computes the LDL**H factorization of a real symmetric positive definite tridiago ...
SPTTRS.C (DPTTRS.C) Solves a real symmetric positive definite tridiagonal system of linear equations ...

Package CMLIB at ITL|ARNO

DPTSL (SPTSL) Decomposes double precision symmetric positive definite tridiagonal matrix and s ...
SPTSL (DPTSL) Decomposes real symmetric positive definite tridiagonal matrix and simultaneousl ...

Package LAPACK at NETLIB|ITL|ARNO

DPTCON (SPTCON) Computes the reciprocal of the condition number of a real symmetric positive def ...
DPTRFS (SPTRFS) Improves the computed solution to a real symmetric positive definite tridiagonal ...
DPTSV (SPTSV) Solves a real symmetric positive definite tridiagonal system of linear equations ...
DPTSVX (SPTSVX) Solves a real symmetric positive definite tridiagonal system of linear equations ...
DPTTRF (SPTTRF) Computes the LDL**H factorization of a real symmetric positive definite tridiago ...
DPTTRS (SPTTRS) Solves a real symmetric positive definite tridiagonal system of linear equations ...
SPTCON (DPTCON) Computes the reciprocal of the condition number of a real symmetric positive def ...
SPTRFS (DPTRFS) Improves the computed solution to a real symmetric positive definite tridiagonal ...
SPTSV (DPTSV) Solves a real symmetric positive definite tridiagonal system of linear equations ...
SPTSVX (DPTSVX) Solves a real symmetric positive definite tridiagonal system of linear equations ...
SPTTRF (DPTTRF) Computes the LDL**H factorization of a real symmetric positive definite tridiago ...
SPTTRS (DPTTRS) Solves a real symmetric positive definite tridiagonal system of linear equations ...

Package LINPACK at NETLIB|ARNO

DPTSL (SPTSL) Decomposes double precision symmetric positive definite tridiagonal matrix and s ...
SPTSL (DPTSL) Decomposes real symmetric positive definite tridiagonal matrix and simultaneousl ...

Package NAG at ITL|AIX

F04FAF Calculates the approximate solution of a set of real symmetric positive definite ...

Package SLATEC at ITL|ARNO

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