1lis_esolver_get_residualnorm(3Lfi)s Library Functiloinss_esolver_get_residualnorm(3f)
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NAME

6       lis_esolver_get_residualnorm  -  calculate  the  relative residual norm
7       from the eigenvector
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SYNOPSIS

11       subroutine lis_esolver_get_residualnorm(LIS_ESOLVER esolver,  LIS_INTE‐
12       GER *residual, LIS_INTEGER ierr);
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DESCRIPTION

16       Calculate the relative residual norm ||lx - Ax||_2/l from the eigenvec‐
17       tor x.
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INPUT

21       esolver
22              The eigensolver
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OUTPUT

26       residual
27              The relative residual norm ||lx - Ax||_2/l
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SEE ALSO

31       lis(3)
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33       http://www.ssisc.org/lis/
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38Man Page                          6 Sep 2012  lis_esolver_get_residualnorm(3f)