NAME
lapack_solve_upper_triangular - Uses lapack to solve the linear equation
SYNOPSIS
#include "wrap_lapack/wrap_lapack.h"
Example compile flags (system dependent):
-DLINUX_X86_64 -DLINUX_X86_64_OPTERON -DGNU_COMPILER
-I/home/kobus/include
-L/home/kobus/misc/load/linux_x86_64_opteron -L/usr/lib/x86_64-linux-gnu
-lKJB -lfftw3 -lgsl -lgslcblas -ljpeg -lSVM -lstdc++ -lpthread -lSLATEC -lg2c -lacml -lacml_mv -lblas -lg2c -lncursesw
int lapack_solve_upper_triangular
(
const Matrix *A_mp,
const Matrix *B_mp,
Matrix **X_mpp
);
DESCRIPTION
A * X = B
where A is upper-triangular. Avoids expensive inversion and/or factorization
required in the general problem.
If this routine was not compiled with lapack available, then it returns
ERROR with an appropriate error being set.
RETURNS
NO_ERROR on success, and ERROR on failure, with an appropriate error
message being set.
DISCLAIMER
This software is not adequatedly tested. It is recomended that
results are checked independantly where appropriate.
AUTHOR
Kobus Barnard
DOCUMENTER
Kobus Barnard
SEE ALSO
lapack_solve_triangular
,
lapack_solve_symmetric
,
lapack_solve_symmetric_pd
,
lapack_solve
,
lapack_diagonalize
,
lapack_qr_decompose
,
do_lapack_svd
,
do_lapack_matrix_inversion
,
do_lapack_matrix_inversion_2
,
do_lapack_cholesky_decomposition
,
do_lapack_cholesky_decomposition_2