lis_esolver_get_residualnorm man page

lis_esolver_get_residualnorm — get the relative residual norm for the specified eigenpair from the eigensolver

Synopsis

#include "lis.h"

LIS_INT lis_esolver_get_residualnorm(LIS_ESOLVER esolver, LIS_REAL *residual);

Description

Get the relative residual norm ||lx - Ax||_2/||lx||_2 for the specified eigenpair from the eigensolver.

Input

esolver
The eigensolver

Output

residual
The relative residual norm ||lx - Ax||_2/||lx||_2

Exit Status

The following exit values are returned:

0
The process is normally terminated
unspecified
An error occurred

See Also

lis(3)

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

Info

28 Aug 2014 Man Page Lis Library Functions