petsc-3.13.6 2020-09-29

SNESComputeFunction

Calls the function that has been set with SNESSetFunction().

#include "petscsnes.h"  
PetscErrorCode  SNESComputeFunction(SNES snes,Vec x,Vec y)

Collective on SNES

	snes	- the SNES context
	x	- input vector

y -function vector, as set by SNESSetFunction()

SNESComputeFunction() is typically used within nonlinear solvers implementations, so most users would not generally call this routine themselves.

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