Skip to main content
Ctrl+K
Logo image Logo image

Site Navigation

  • Overview
  • Install
  • Tutorials
  • User-Guide
  • C/Fortran API
  • Python API
  • FAQ
  • Community
  • Developers
  • Misc.

Site Navigation

  • Overview
  • Install
  • Tutorials
  • User-Guide
  • C/Fortran API
  • Python API
  • FAQ
  • Community
  • Developers
  • Misc.

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

On this page
  • Synopsis
  • Input Parameters
  • Level
  • Location
Edit this page
Show Source

© Copyright 1991-2023, UChicago Argonne, LLC and the PETSc Development Team.

Created using Sphinx 5.3.0.

Last updated on 2023-03-29T10:39:26-0500 (v3.18.5-1223-gfb51cd382ae).