lis_solver_get_residualnorm(3) - Linux man page
Name
lis_solver_get_residualnorm - calculate the relative residual norm from the solution
Synopsis
#include "lis.h"
LIS_INT lis_solver_get_residualnorm(LIS_SOLVER solver, LIS_INT *residual);
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
Exit Status
The following exit values are returned:
- 0
- The process is normally terminated
- unspecified
- An error occurred
See Also
lis(3)