[Scipy-tickets] [SciPy] #651: Bug fixed for scipy.signal.tf2zpk

SciPy scipy-tickets@scipy....
Wed Nov 5 19:51:17 CST 2008

#651: Bug fixed for scipy.signal.tf2zpk
 Reporter:  bow_der_kleine  |        Owner:  cdavid  
     Type:  enhancement     |       Status:  assigned
 Priority:  high            |    Milestone:  0.7.0   
Component:  scipy.signal    |      Version:          
 Severity:  normal          |   Resolution:          
 Keywords:                  |  
Changes (by cdavid):

  * status:  new => assigned


 The problem is that your filter coefficients are very small, so normalize
 discard most of them. I don't think it is a bug: the problem is that your
 filter coefficients are not meaningful, nothing to do with with the length
 of your filter.

 It is a bit surprising that the change of b is changed; maybe it is better
 to emit a warning or raise an exception instead.

Ticket URL: <http://scipy.org/scipy/scipy/ticket/651#comment:6>
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