Rosetta Utilities  2014.35
Namespaces | Functions
rgg.cc File Reference
#include <numeric/linear_algebra/rgg.hh>

Namespaces

 numeric
 Unit headers.
 
 numeric::linear_algebra
 

Functions

double numeric::linear_algebra::epslon (double const &x)
 Estimate unit roundoff in quantities of size x. More...
 
void numeric::linear_algebra::qzhes (int const &nm, int const &n, arr_ref< double, 2 > a, arr_ref< double, 2 > b, bool const &matz, arr_ref< double, 2 > z)
 This subroutine is the first step of the QZ algorithm for solving generalized matrix eigenvalue problems. More...
 
void numeric::linear_algebra::qzit (int const &nm, int const &n, arr_ref< double, 2 > a, arr_ref< double, 2 > b, double const &eps1, bool const &matz, arr_ref< double, 2 > z, int &ierr)
 This subroutine is the second step of the QZ algorithm for solving generalized matrix eigenvalue problems. More...
 
void numeric::linear_algebra::qzval (int const &nm, int const &n, arr_ref< double, 2 > a, arr_ref< double, 2 > b, arr_ref< double > alfr, arr_ref< double > alfi, arr_ref< double > beta, bool const &matz, arr_ref< double, 2 > z)
 This subroutine is the third step of the QZ algorithm for solving generalized matrix eigenvalue problems,. More...
 
void numeric::linear_algebra::qzvec (int const &nm, int const &n, arr_cref< double, 2 > a, arr_ref< double, 2 > b, arr_cref< double > alfr, arr_cref< double > alfi, arr_cref< double > beta, arr_ref< double, 2 > z)
 This subroutine is the optional fourth step of the QZ algorithm for solving generalized matrix eigenvalue problems. More...
 
void numeric::linear_algebra::rgg (int const &nm, int const &n, arr_ref< double, 2 > a, arr_ref< double, 2 > b, arr_ref< double > alfr, arr_ref< double > alfi, arr_ref< double > beta, int const &matz, arr_ref< double, 2 > z, int &ierr)
 This subroutine calls the recommended sequence of subroutines from the eigensystem subroutine package (EISPACK) to find the eigenvalues and eigenvectors (if desired) for the real general generalized eigenproblem $ Ax = \lambda Bx $. More...