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Man Pages
lis_esolver_get_residualnorm(3f) Lis Library Functions lis_esolver_get_residualnorm(3f)

lis_esolver_get_residualnorm - calculate the relative residual norm from the eigenvector

subroutine lis_esolver_get_residualnorm(LIS_ESOLVER esolver, LIS_INTEGER *residual, LIS_INTEGER ierr);

Calculate the relative residual norm ||lx - Ax||_2/l from the eigenvector x.

esolver
The eigensolver

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

lis(3)

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

6 Sep 2012 Man Page
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