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[Octave-bug-tracker] [bug #31823] floor/ceil caching causing incorrect b
From: |
John W. Eaton |
Subject: |
[Octave-bug-tracker] [bug #31823] floor/ceil caching causing incorrect behavior when concatenating |
Date: |
Thu, 09 Dec 2010 05:57:51 +0000 |
User-agent: |
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.15) Gecko/20101028 Iceweasel/3.5.15 (like Firefox/3.5.15) |
Update of bug #31823 (project octave):
Status: Need Info => Invalid
Open/Closed: Open => Closed
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Follow-up Comment #4:
I suspect your problems is the spaces before the +floor and +ceil in the
expression
-Wx = [ n*(floor(Gx)-1)+floor(Gy) , ...
n*(ceil(Gx)-1) +floor(Gy) , ...
n*(floor(Gx)-1)+ceil(Gy) , ...
n*(ceil(Gx)-1) +ceil(Gy) ];
Octave parses these as separate elements, not a binary addition. See the
explanation here:
http://www.gnu.org/software/octave/doc/interpreter/Matrices.html#Matrices
If this is not the problem, then reopen the bug report and tell us the values
of m and n in the call to your function so that we can reproduce the error..
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