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Re: digital differentiator using remez

From: Paul Kienzle
Subject: Re: digital differentiator using remez
Date: Thu, 8 Feb 2007 22:47:46 -0500 
On Feb 8, 2007, at 8:25 AM, Doug Stewart wrote:


for interest sake here is Matlab's result

EDU» b = remez(4, [0 0.75], [0 0.75*pi],  'differentiator')

b =   -0.2731    0.9430         0   -0.9430    0.2731


I fixed the problems processing the parameters so the
octave-forge version now runs.

It returns somewhat different values:

   0.32120
  -0.93415
   0.00000
   0.93415
  -0.32120



- Paul
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