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[Octave-bug-tracker] [bug #40751] cov(x, x) doesn't return the same resu
From: |
Julien Bect |
Subject: |
[Octave-bug-tracker] [bug #40751] cov(x, x) doesn't return the same result as in Matlab |
Date: |
Fri, 29 Nov 2013 16:56:23 +0000 |
User-agent: |
Mozilla/5.0 (X11; Ubuntu; Linux i686; rv:25.0) Gecko/20100101 Firefox/25.0 |
URL:
<http://savannah.gnu.org/bugs/?40751>
Summary: cov(x, x) doesn't return the same result as in
Matlab
Project: GNU Octave
Submitted by: jbect
Submitted on: ven. 29 nov. 2013 16:56:22 GMT
Category: Octave Function
Severity: 3 - Normal
Priority: 5 - Normal
Item Group: Matlab Compatibility
Status: None
Assigned to: None
Originator Name:
Originator Email:
Open/Closed: Open
Discussion Lock: Any
Release: dev
Operating System: GNU/Linux
_______________________________________________________
Details:
In Octave 3.7.7+ I get:
>> x = reshape ((1:16).^2, 4, 4); cov (x, x)
ans =
43.000 109.667 176.333 243.000
109.667 283.000 456.333 629.667
176.333 456.333 736.333 1016.333
243.000 629.667 1016.333 1403.000
In Matlab R2012a:
>> x = reshape ((1:16).^2, 4, 4); cov (x, x)
ans =
1.0e+03 *
6.9315 6.9315
6.9315 6.9315
_______________________________________________________
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