bugGNU Octave - Bugs: bug #53352, Wrong message

 
 

bug #53352: Wrong message

Submitter:  Dildar Sk <hodor123456>
Submitted:  Thu 15 Mar 2018 02:36:09 PM UTC
   
 
Category:  Octave Package Severity:  3 - Normal
Priority:  5 - Normal Item Group:  Unexpected Error or Warning
Status:  Invalid / Not an Octave Bug Assigned to:  None
Originator Name:  Dildar Sk Open/Closed:  * Closed
Release:  * dev Operating System:  * GNU/Linux
Fixed Release:  None Planned Release:  None
* Mandatory Fields

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Thu 15 Mar 2018 06:53:11 PM UTC, comment #4: 

here is how to use it

n=[1 -.5]
d=[1 -1]
sys=tf(n,d)
isstable(sys)


n=[1 .5]
d=[1 1]
sys=tf(n,d)
isstable(sys)

Doug Stewart <dastew>
Thu 15 Mar 2018 03:15:28 PM UTC, comment #3: 

Please forgive my ignorance but when I try

>> help isstable

error: 'n' undefined near line 28 column 7
error: 'name' undefined near line 153 column 16
error: called from
    _makeinfo_ at line 153 column 5
    help at line 102 column 22

>> b = [1 -.5];                                % numerator coefficients
>>     a = [1 -.999999999];                        % denominator coefficients
>>     act_flag1 = isstable(b,a)

error: '__pole__' undefined near line 55 column 9
error: called from
    pole at line 55 column 7
    isstable at line 57 column 7

Is it used in another way?

Dildar Sk <hodor123456>
Thu 15 Mar 2018 02:49:36 PM UTC, comment #2: 

Sorry for my stupidity.Next time I will maintain that.
Thanks for the answer btw.

Dildar Sk <hodor123456>
Thu 15 Mar 2018 02:42:16 PM UTC, comment #1: 

This can be closed

In the future do not ask using bug tracker.
Use the help mailing list.


This is already usable.
try
help @lti/isstable

also try Google   octave isstable

Doug Stewart <dastew>
Thu 15 Mar 2018 02:36:09 PM UTC, original submission:  

When I type isstable,

>> isstable

warning: the 'isstable' function belongs to the control package from Octave Forge
but has not yet been implemented.

Please...

But here(https://wiki.octave.org/Control_package) the status is
implemented(yes).Is it for 4.2.2?Please confirm.

Dildar Sk <hodor123456>

 

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  • -email is unavailable- added by mtmiller (Updated the item)
  • -email is unavailable- added by dastew (Posted a comment)
  • -email is unavailable- added by hodor123456 (Submitted the item)
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    Follow 3 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2018-03-16 mtmiller StatusNone Invalid / Not an Octave Bug
        Open/ClosedOpen Closed
    2018-03-15 hodor123456 Attached File- Added isstable implemented.png, #43557

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