Implements a discrete transfer function defined by the numerator and denominator coefficients. The coefficients are for descending powers of z.

Parameters
numerator	Vector<float>	Numerator coefficients	vectorFloat(1,1.0)
denominator	Vector<float>	Denominator coefficients	vectorFloat(2,1.0,0.5)
sampleTime	double	Time interval between samples in seconds	1
priority	int	Execution priority	0
Inputs
u	Vector<float>	Input	Vector()
Outputs
y	Vector<float>	Output	Vector()
Subsystems
Last Saved: Tue Oct 02 22:19:51 MDT 2001 by TVE version 2007B