Grad2ParsedFunction.h File Reference

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Classes
class	Grad2ParsedFunction
	returns the central difference approx to the derivative (direction.nabla)^2 function viz (f(t, p + direction) - 2*f(t, p) + f(t, p - direction))/|direction|^2 This derives from MooseParsedFunction, so it already knows about a function More...

Functions
template<>
InputParameters	validParams< Grad2ParsedFunction > ()

Function Documentation

validParams< Grad2ParsedFunction >()

template<>

InputParameters validParams< Grad2ParsedFunction >

(

)

Definition at line 17 of file Grad2ParsedFunction.C.

{
  InputParameters params = validParams<MooseParsedFunction>();
  params += validParams<MooseParsedFunction>();
  params.addRequiredParam<RealVectorValue>(
      "direction",
      "The direction in which to take the derivative.  This must not be a zero-length "
      "vector.  This function returned a finite-difference approx to "
      "(direction.nabla)^2 function");
  return params;
}