MatLMVMSymBroydenSetDelta#
Sets the starting value for the diagonal scaling vector computed in the SymBrdn approximations (also works for BFGS and DFP).
Synopsis#
#include "petscksp.h"
PetscErrorCode MatLMVMSymBroydenSetDelta(Mat B, PetscScalar delta)
Input Parameters#
B - LMVM matrix
delta - initial value for diagonal scaling
Level#
intermediate
Location#
src/ksp/ksp/utils/lmvm/symbrdn/symbrdn.c
Index of all KSP routines
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Index of all manual pages