Implements a discrete filter defined by the numerator and denominator coefficients. The coefficients are for ascending powers of 1/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
Inputs
u	float	Input	0
Outputs
y	float	Output	0
Subsystems
Last Saved: Wed Apr 11 16:12:26 MDT 2001 by TVE version 2007B