The following subroutine uses z-transforms to construct solutions to a second order homogeneous difference equation.

Mathematica Subroutines (Solution of a Difference Equation).

[Graphics:../Images/ZTransformDEMod_gr_146.gif]
[Graphics:../Images/ZTransformDEMod_gr_147.gif]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(c) 2006 John H. Mathews, Russell W. Howell