#include "petscksp.h" PetscErrorCode KSPQCGGetQuadratic(KSP ksp,PetscReal *quadratic)q(s) = g^T * s + 0.5 * s^T * H * s Many br
which satisfies the Euclidian Norm trust region constraint Many br
|| D * s || <= delta, Many br
where Many br
delta is the trust region radius, Many brg is the gradient vector, and Many brH is Hessian matrix, Many brD is a scaling matrix. Many br
Collective on KSP Many br
Many br
Level:advanced
Location:src/ksp/ksp/impls/qcg/qcg.c
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages