#include "petscksp.h" PetscErrorCode KSPLSQRGetNorms(KSP ksp,PetscReal *arnorm, PetscReal *anorm)Not Collective

arnorm | - good estimate of norm((A*inv(Pmat))'*r), where r = A*x - b, used in specific stopping criterion | |

anorm | - poor estimate of norm(A*inv(Pmat),'fro') used in specific stopping criterion |

Index of all KSP routines

Table of Contents for all manual pages

Index of all manual pages