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[Octave-bug-tracker] [bug #49996] signal package: cheby2 produces zeros
From: |
Nicholas Jankowski |
Subject: |
[Octave-bug-tracker] [bug #49996] signal package: cheby2 produces zeros that are not quite complex conjugate pairs |
Date: |
Tue, 10 Jan 2017 21:44:31 +0000 (UTC) |
User-agent: |
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:50.0) Gecko/20100101 Firefox/50.0 |
Follow-up Comment #11, bug #49996 (project octave):
is the scipy version well behaved with the band edges set as in comment #1?
(in octave I didn't hit the error until using quite a bit of the specified
precision:
[z,p,k] = cheby2(6,40,[.529150859255659, 491.5561729754713269]*2/1000)
dunno if there's a 'nice round number' set of bug-tripping values we can use
as with the butter example.
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- [Octave-bug-tracker] [bug #49996] signal package: cheby2 produces zeros that are not quite complex conjugate pairs, (continued)
- [Octave-bug-tracker] [bug #49996] signal package: cheby2 produces zeros that are not quite complex conjugate pairs, Mike Miller, 2017/01/06
- [Octave-bug-tracker] [bug #49996] signal package: cheby2 produces zeros that are not quite complex conjugate pairs, Nicholas Jankowski, 2017/01/06
- [Octave-bug-tracker] [bug #49996] signal package: cheby2 produces zeros that are not quite complex conjugate pairs, Bill Lash, 2017/01/06
- [Octave-bug-tracker] [bug #49996] signal package: cheby2 produces zeros that are not quite complex conjugate pairs, Nicholas Jankowski, 2017/01/06
- [Octave-bug-tracker] [bug #49996] signal package: cheby2 produces zeros that are not quite complex conjugate pairs, Nicholas Jankowski, 2017/01/06
- [Octave-bug-tracker] [bug #49996] signal package: cheby2 produces zeros that are not quite complex conjugate pairs, Bill Lash, 2017/01/06
- [Octave-bug-tracker] [bug #49996] signal package: cheby2 produces zeros that are not quite complex conjugate pairs, Bill Lash, 2017/01/06
- [Octave-bug-tracker] [bug #49996] signal package: cheby2 produces zeros that are not quite complex conjugate pairs, Bill Lash, 2017/01/07
- [Octave-bug-tracker] [bug #49996] signal package: cheby2 produces zeros that are not quite complex conjugate pairs, Nicholas Jankowski, 2017/01/10
- [Octave-bug-tracker] [bug #49996] signal package: cheby2 produces zeros that are not quite complex conjugate pairs, Mike Miller, 2017/01/10
- [Octave-bug-tracker] [bug #49996] signal package: cheby2 produces zeros that are not quite complex conjugate pairs,
Nicholas Jankowski <=
- [Octave-bug-tracker] [bug #49996] signal package: cheby2 produces zeros that are not quite complex conjugate pairs, Nicholas Jankowski, 2017/01/10
- [Octave-bug-tracker] [bug #49996] signal package: cheby2 produces zeros that are not quite complex conjugate pairs, Mike Miller, 2017/01/10
- [Octave-bug-tracker] [bug #49996] signal package: cheby2 produces zeros that are not quite complex conjugate pairs, Bill Lash, 2017/01/10