lis_solver_get_residualnorm.3f man page

lis_solver_get_residualnorm — 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

lis(3)

http://www.ssisc.org/lis/

Info

6 Sep 2012 Man Page Lis Library Functions