bugGNU Octave - Bugs: bug #41353, control package: step and bode do...

 
 

bug #41353: control package: step and bode do not work with constant transfer functions

Submitted by:  None
Submitted on:  Sun 26 Jan 2014 05:42:24 PM UTC  
 
Category: Octave Forge PackageSeverity: 3 - Normal
Priority: 5 - NormalItem Group: Incorrect Result
Status: Works For MeAssigned to: None
Originator Name: Carlos MartinezOriginator Email: -unavailable-
Open/Closed: ClosedRelease: 3.8.0
Operating System: GNU/Linux

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Wed 29 Jan 2014 05:32:04 PM UTC, comment #5:

Please close it, since I cannot reproduce it again myself. Sorry for the waste of time.

Carlos Martinez <moggadeet>
Wed 29 Jan 2014 12:42:25 PM UTC, comment #4:

Tried your example today with octave 3.8.0 and control 2.6.1 and I can't see any problem when running:

Andreas Weber <andy1978>
Project Member
Tue 28 Jan 2014 06:45:54 AM UTC, comment #3:

Thanks for your report. I'm stuck with Octave 3.6.4 on my mac, where it works for me. I'll check it out again as soon as I'm able to update to Octave 3.8.

Lukas Reichlin <paramaniac>
Mon 27 Jan 2014 08:53:20 PM UTC, comment #2:

The results of ver,

I compiled the package myself out of the sources v3.8

Carlos Martinez <moggadeet>
Sun 26 Jan 2014 10:55:03 PM UTC, comment #1:

I do not get this error with the systems and the plot commands you provided here, using control version 2.6.1. CCing the control package maintainer on this bug report.

Mike Miller <mtmiller>
Project Administrator
Sun 26 Jan 2014 05:42:24 PM UTC, original submission:

Hello there,

I am reporting a trivial bug with step or bode. The two code portions do the same, but due to internal representation issues the second snippet produces an error.

Correct,

Whereas without factorizing the transfer function,

produces

I had expected the same results as above.

Anonymous

 

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Carbon-Copy List
  • -unavailable- added by andy1978 (Posted a comment)
  • -unavailable- added by paramaniac (Posted a comment)
  • -unavailable- added by moggadeet (Posted a comment)
  • -unavailable- added by mtmiller (Posted a comment)
  • -unavailable- added by mtmiller
  • -unavailable- added by None (Submitted the item)
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    Follow 4 latest changes.

    Date Changed By Updated Field Previous Value => Replaced By
    Wed 29 Jan 2014 05:34:03 PM UTCandy1978Open/ClosedOpen=>Closed
    Sun 26 Jan 2014 10:55:03 PM UTCmtmillerStatusNone=>Works For Me
      SummaryStep&bode do not work with constant transfer functions=>control package: step and bode do not work with constant transfer functions
      Carbon-Copy-=>Added paramaniac

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