Exception for iterative solvers that exhausted the search space, i.e. search direction(s) parallel to already visited Krylov subspace. More...
#include <exception.hpp>
Public Member Functions | |
search_space_exhaustion (const char *s="Iterative solvers that exhausted the search space, i.e. search direction(s) parallel to already visited Krylov subspace") | |
Error can be specified more precisely in constructor if desired. |
Exception for iterative solvers that exhausted the search space, i.e. search direction(s) parallel to already visited Krylov subspace.
Either your matrix is too badly conditioned or your termination criterion is too strict for the used arithmetic (maybe use Gnu Multi-precision library).