[Scipy-tickets] [SciPy] #372: Dolph Chebyshev Window missing!

SciPy scipy-tickets@scipy....
Tue Jun 5 00:24:26 CDT 2007


#372: Dolph Chebyshev Window missing!
------------------------------------+---------------------------------------
 Reporter:  kumanna                 |        Owner:  somebody
     Type:  enhancement             |       Status:  new     
 Priority:  normal                  |    Milestone:          
Component:  scipy.signal            |      Version:  0.5.2   
 Severity:  normal                  |   Resolution:          
 Keywords:  dolph chebyshev window  |  
------------------------------------+---------------------------------------
Comment (by kumanna):

 Actually, it works fine for me! Check this out:

 In [5]: chebwin(50, 10)
 Out[5]:
 array([ 10.39922262,   0.70114398,   0.72333337,   0.74499607,
          0.76607972,   0.78653302,   0.80630592,   0.82534975,
          0.84361737,   0.86106337,   0.87764416,   0.89331816,
          0.90804589,   0.92179013,   0.93451604,   0.94619126,
          0.95678602,   0.96627325,   0.97462864,   0.98183075,
          0.98786108,   0.9927041 ,   0.99634734,   0.9987814 ,
          1.        ,   1.        ,   0.9987814 ,   0.99634734,
          0.9927041 ,   0.98786108,   0.98183075,   0.97462864,
          0.96627325,   0.95678602,   0.94619126,   0.93451604,
          0.92179013,   0.90804589,   0.89331816,   0.87764416,
          0.86106337,   0.84361737,   0.82534975,   0.80630592,
          0.78653302,   0.76607972,   0.74499607,   0.72333337,
          0.70114398,  10.39922262])

 Notice that attenuation should be positive. If you give it as negative, it
 returns NaNs.

 Kumar

-- 
Ticket URL: <http://projects.scipy.org/scipy/scipy/ticket/372#comment:2>
SciPy <http://www.scipy.org/>
SciPy is open-source software for mathematics, science, and engineering.


More information about the Scipy-tickets mailing list