Gets and sets the delta value to use in the central difference approximation of the gradient of this functional. The centeral difference approximation will be used only if the deriving subclass does not override the Gradient() method.

public double CenteralDifferenceDelta { get; set; }

Public Property CenteralDifferenceDelta As Double

public:
property double CenteralDifferenceDelta {
	double get ();
	void set (double value);
}