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From: "Victor kasaksha" <viphe@mail.ru>
Newsgroups: comp.soft-sys.matlab
Subject: Re: Is it a bug or what is it?
Date: Fri, 25 Sep 2009 08:02:42 +0000 (UTC)
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O.K. now a windows Sysem:

-------------------------------------------------------------------------------------
MATLAB Version 7.9.0.529 (R2009b)
MATLAB License Number: 46423
Operating System: Microsoft Windows Vista Version 6.1 (Build 7600)
Java VM Version: Java 1.6.0_12-b04 with Sun Microsystems Inc. Java HotSpot(TM) Client VM mixed mode
-------------------------------------------------------------------------------------


A = rand(2000);
B = rand(2000);
maxnumcompthreads(1)
C1 = A*B;
maxnumcompthreads(2)
C2 = A*B;
isequal(C1,C2)

ans =
     0

and more:

>> C1(500,500)
ans =
  474.6958
>> C2(500,500)
ans =
  475.3501

and this is evil !!!