octave-bug-tracker
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[Octave-bug-tracker] [bug #52593] qr(A, 'matrix') and qr(A, 'vector') re


From: Marco Caliari
Subject: [Octave-bug-tracker] [bug #52593] qr(A, 'matrix') and qr(A, 'vector') return the wrong result with a tall skinny matrix
Date: Thu, 7 Dec 2017 03:42:53 -0500 (EST)
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:57.0) Gecko/20100101 Firefox/57.0

Follow-up Comment #7, bug #52593 (project octave):

@Rik: it works for me.
@Joseph: in case you want to stay with the stable branch, you can do
someething like


A = [-3.6 0 9.72;3.4 1.9 8.67;3.8 1.7 0;-1.6 4 0;-1.6 4 0];
[Q, R, P] = qr(A);
p = find (P == 1)' - (0:2) * 3


Maybe you already found even a better way.

    _______________________________________________________

Reply to this item at:

  <http://savannah.gnu.org/bugs/?52593>

_______________________________________________
  Message sent via/by Savannah
  http://savannah.gnu.org/




reply via email to

[Prev in Thread] Current Thread [Next in Thread]