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[Octave-bug-tracker] [bug #41192] Basic matrix inversion fails
From: |
anonymous |
Subject: |
[Octave-bug-tracker] [bug #41192] Basic matrix inversion fails |
Date: |
Fri, 10 Jan 2014 19:26:52 +0000 |
User-agent: |
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:26.0) Gecko/20100101 Firefox/26.0 |
URL:
<http://savannah.gnu.org/bugs/?41192>
Summary: Basic matrix inversion fails
Project: GNU Octave
Submitted by: None
Submitted on: Fri 10 Jan 2014 07:26:51 PM UTC
Category: Octave Function
Severity: 3 - Normal
Priority: 5 - Normal
Item Group: Crash
Status: None
Assigned to: None
Originator Name: Saul Mtakula
Originator Email: address@hidden
Open/Closed: Open
Discussion Lock: Any
Release: 3.6.4
Operating System: Microsoft Windows
_______________________________________________________
Details:
The following code fails in the last statement; the matrix inversion crashes
Octave. Changing the code to inv() also results in a crash. Matlab or Scilab
execute code without a crash.
clear
clc
A = [ 0 0 1.1320 0 -1
0 -0.0538 -0.1712 0 0.0705
0 0 0 1 0
0 0.0485 0 -0.8556 -1.013
0 -0.2909 0 1.0532 -0.6859 ];
B = [ 0 0 0
-0.120 1 0
0 0 0
4.4190 0 -1.665
1.5750 0 -0.0732 ] ;
C = [ eye(3,3) zeros(3,2) ] ;
D = zeros(3,3) ;
Gam=B;
Aw=-0.001*eye(3,3);
Bw=eye(3,3);
Cw=eye(3,3);
Dw=zeros(3,3);
Aa=[A B*Cw; zeros(size(Aw,1), size(A,2)) Aw];
Ga=[B*Dw;Bw];
j=i;
Z=(0.001*j*eye(size(Aa))-Aa);
Z1=Z\Ga;
_______________________________________________________
Reply to this item at:
<http://savannah.gnu.org/bugs/?41192>
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- [Octave-bug-tracker] [bug #41192] Basic matrix inversion fails,
anonymous <=
- [Octave-bug-tracker] [bug #41192] Basic matrix inversion fails, Michael Godfrey, 2014/01/10
- [Octave-bug-tracker] [bug #41192] Basic matrix inversion fails, anonymous, 2014/01/10
- [Octave-bug-tracker] [bug #41192] Basic matrix inversion fails, Michael Godfrey, 2014/01/10
- [Octave-bug-tracker] [bug #41192] Basic matrix inversion fails, Felipe G. Nievinski, 2014/01/10
- [Octave-bug-tracker] [bug #41192] Basic matrix inversion fails, Jordi GutiƩrrez Hermoso, 2014/01/10
- [Octave-bug-tracker] [bug #41192] Basic matrix inversion fails, anonymous, 2014/01/10
- [Octave-bug-tracker] [bug #41192] Basic matrix inversion fails, Mike Miller, 2014/01/10
- [Octave-bug-tracker] [bug #41192] Basic matrix inversion fails, Andreas Weber, 2014/01/31
- [Octave-bug-tracker] [bug #41192] Basic matrix inversion fails, anonymous, 2014/01/31