MathGroup Archive 1999

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  • To: mathgroup at
  • Subject: [mg19038] POLEZERO plots
  • From: John Cogill <johnc7487 at>
  • Date: Tue, 3 Aug 1999 13:45:07 -0400
  • Sender: owner-wri-mathgroup at

The excellently written notebook, from Mathsource, seems to have
errors in both the numerator and the denominator of the
digitized transfer function.

My Mathematica 4 complains "ivar .. " until I change the zeros to ones
in both cases.

I feel I must be missing something.

John Cogill

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