bugGNU Octave - Bugs: bug #31730, chebwin() function gives wildly...

 
 

bug #31730: chebwin() function gives wildly different results from matlab with low values of the 'at' parameter

Submitted by:  None
Submitted on:  Mon 22 Nov 2010 12:42:31 PM UTC  
 
Category: LibrariesSeverity: 3 - Normal
Priority: 5 - NormalItem Group: Incorrect Result
Status: Octave ForgeAssigned to: None
Originator Name: Sidney CadotOriginator Email: -unavailable-
Open/Closed: ClosedRelease: 3.2.4
Operating System: GNU/Linux

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Thu 02 Dec 2010 07:59:06 PM UTC, comment #1:

This issue was resolved before the savannah bug tracker crashed. Closing it for the second time.

Rik <rik5>
Project Administrator
Mon 22 Nov 2010 12:42:31 PM UTC, original submission:

In Octave:

Matlab:

It is unclear to me which of these results is correct, I hope that someone with more signal processing experience will be able to establish that.

The problem occurs mainly when the attenuation parameter is not too high. For at >= 100, for example, the differences become negligible.

Anonymous

 

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  • -unavailable- added by rik5 (Posted a comment)
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    Follow 2 latest changes.

    Date Changed By Updated Field Previous Value => Replaced By
    Thu 02 Dec 2010 07:59:06 PM UTCrik5StatusNone=>Octave Forge
      Open/ClosedOpen=>Closed

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