petsc-3.13.6 2020-09-29
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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
Table of Contents for all manual pages
Index of all manual pages