lis_solver_get_residualnorm.3f - Man Page
calculate the relative residual norm from the solution
Synopsis
subroutine lis_solver_get_residualnorm(LIS_SOLVER solver, LIS_INTEGER *residual, LIS_INTEGER ierr);
Description
Calculate the relative residual norm ||b - Ax||_2/||b||_2 from the solution x.
Input
- solver
The solver
Output
- residual
The relative residual norm ||b - Ax||_2/||b||_2
See Also
Info
6 Sep 2012 Man Page Lis Library Functions