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[Octave-bug-tracker] [bug #55670] control pkg : peace of code works in 4
From: |
Stephan Gebauer |
Subject: |
[Octave-bug-tracker] [bug #55670] control pkg : peace of code works in 4.4.1 fine, and in 5.0.91 with error |
Date: |
Thu, 7 Feb 2019 18:28:23 -0500 (EST) |
User-agent: |
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:65.0) Gecko/20100101 Firefox/65.0 |
URL:
<https://savannah.gnu.org/bugs/?55670>
Summary: control pkg : peace of code works in 4.4.1 fine, and
in 5.0.91 with error
Project: GNU Octave
Submitted by: stephan_ii
Submitted on: Thu 07 Feb 2019 11:28:21 PM UTC
Category: Octave Function
Severity: 3 - Normal
Priority: 5 - Normal
Item Group: Regression
Status: None
Assigned to: None
Originator Name:
Originator Email:
Open/Closed: Open
Discussion Lock: Any
Release: 5.0.91
Operating System: Microsoft Windows
_______________________________________________________
Details:
Hi,
have a small peace of code, doesn't work anymore
with test Octave 5.0.91.
regarding the control package.
Kp = 350;
Ki = 300;
Kd = 50;
s = tf('s');
P = 1/(s^2 + 10*s + 20);
C = pid(Kp,Ki,Kd); % generate a pid cotroller
T = feedback(C*P,1);
figure(1);
step(P);
t = 0:0.01:2;
figure(2);
step(T,t);
this code cause this error messagein Octave 5.0.91:
error: 'nfields2' undefined near line 34 column 9
error: called from
__lti_group__ at line 34 column 5
__sys_group__ at line 39 column 14
mtimes at line 57 column 7
mpower at line 62 column 12
testcase at line 5 column 3
it's the line:
P = 1/(s^2 + 10*s + 20);
Hope report ist helpfull
regards
Stephan
_______________________________________________________
Reply to this item at:
<https://savannah.gnu.org/bugs/?55670>
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- [Octave-bug-tracker] [bug #55670] control pkg : peace of code works in 4.4.1 fine, and in 5.0.91 with error,
Stephan Gebauer <=
- [Octave-bug-tracker] [bug #55670] [octave forge] (control) nfields2 undefined, Mike Miller, 2019/02/07
- [Octave-bug-tracker] [bug #55670] [octave forge] (control) nfields2 undefined, Stephan Gebauer, 2019/02/07
- [Octave-bug-tracker] [bug #55670] [mxe octave] of-control-1-deprecated.patch makes control pkg buggy, Mike Miller, 2019/02/07
- [Octave-bug-tracker] [bug #55670] [mxe octave] of-control-1-deprecated.patch makes control pkg buggy, Mike Miller, 2019/02/07
- [Octave-bug-tracker] [bug #55670] [mxe octave] of-control-1-deprecated.patch makes control pkg buggy, Markus Mützel, 2019/02/08
- [Octave-bug-tracker] [bug #55670] [mxe octave] of-control-1-deprecated.patch makes control pkg buggy, Mike Miller, 2019/02/08
- [Octave-bug-tracker] [bug #55670] [mxe octave] of-control-1-deprecated.patch makes control pkg buggy, Mike Miller, 2019/02/11
- [Octave-bug-tracker] [bug #55670] [mxe octave] of-control-1-deprecated.patch makes control pkg buggy, Markus Mützel, 2019/02/11
- [Octave-bug-tracker] [bug #55670] [mxe octave] of-control-1-deprecated.patch makes control pkg buggy, Mike Miller, 2019/02/11
- [Octave-bug-tracker] [bug #55670] [mxe octave] of-control-1-deprecated.patch makes control pkg buggy, Markus Mützel, 2019/02/12