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2D IIR FILTERS

Started by bomk...@yahoo.com July 9, 2009
hello,
I am trying to design 2-D IIR filter using SVD and matlab function iirlpnorm. I got two vectors x,y from SVD and applied iirlpnorm to each vector and got two 1-D IIR filters their numerators and denominators are (b,a) for x and (b1,a1) for y. now, I do not know how to use those numerators and denominators to design the 2-D IIR filter and how to plot it.
PLEASE, some help.
thanks