petsc-3.12.5 2020-03-29

TaoSetUpdate

Sets the general-purpose update function called at the beginning of every iteration of the nonlinear solve. Specifically it is called at the top of every iteration, after the new solution and the gradient is determined, but before the Hessian is computed (if applicable).

Synopsis

#include "petsctao.h" 
PetscErrorCode  TaoSetUpdate(Tao tao, PetscErrorCode (*func)(Tao, PetscInt,void*), void *ctx)

Logically Collective on Tao

Input Parameters

	tao	- The tao solver context
	func	- The function

Calling sequence of func

func (Tao tao, PetscInt step);

step -The current step of the iteration

Level

advanced

Location