lis_esolver_get_residualnorm - Man Page
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
Info
28 Aug 2014 Man Page Lis Library Functions