On Tue, 27 Sep 2011 22:58:21 -0700, Dr. Alexander Klein
<[email protected]> wrote:
> Good morning,
>
> the other day I was lashing up some tests for butter.m in the signal
> package. To my surprise, the low-pass filter showed much higher
> stopband attenuation than I'd expected.
>
> Now I wonder whether that's a bug or a feature due to compatibility
> with Matlab.
>
> Could someone who has access to Matlab please run the attached script
> and post the results?
>
> Thanks in advance,
>
> Alex
>
Here you go:
damp_db =
-0.0426 -0.1679 -3.1179 -14.1980 -27.3152
damp_db =
-0.0003 -0.0015 -3.0103 -53.2194 -103.2218
Jeff
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