Signal and Systems Toolbox

[Luis Miguel Brugarolas]

Dear Octavers,

I am a newcomer to Octave, and I have found it seems not to exist a 'Signal 
and Systems Toolbox'. I am looking for filter design funcions like: butter, 
chevy1, chevy2, elip and the like.

Some help on that?

best regards

Luis M Brugarolas



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