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From: | John Swensen |
Subject: | Re: octave "Most Wanted" feature |
Date: | Wed, 29 Nov 2006 11:35:37 -0500 |
User-agent: | Thunderbird 2.0a1 (X11/20060807) |
robert bristow-johnson wrote:
From: "John W. Eaton" <address@hidden> Subject: Re: octave "Most Wanted" feature Date: Wed, 29 Nov 2006 11:05:24 -0500 On 29-Nov-2006, robert bristow-johnson wrote: | > From: "John W. Eaton" <address@hidden> | > Subject: Re: octave "Most Wanted" feature | > Date: Wed, 29 Nov 2006 10:01:22 -0500 | > | > | > On 29-Nov-2006, robert bristow-johnson wrote: | > | > | (since Octave and MATLAB sorta switch the roles of columns and rows). | > | > What do you mean by "sorta switch the roles of columns and rows"? | | i mean in Octave: | | octave:1> A = [1 2 3;4 5 6] | A = | | 1 2 3 | 4 5 6 | | octave:2> A(4) | ans = 5 | | but in MATLAB, A(4) would be 4. No, it would also be 5 in Matlab.??? i don't have MATLAB here on this linux machine that i'm using at work (when i get home tonight, i can check this) but i thought (simply by recollection) that MATLAB unloaded contents by rows, not columns (maybe i've confused this with C?). to be wrong about this really will be a difficult neuron to rewire, but i certainly admit i could be. but i don't think this changes any of the points about this Index Origin extension. -- r b-j address@hidden "Imagination is more important than knowledge."
MATLAB OUTPUT ---------------------------- < M A T L A B > Copyright 1984-2005 The MathWorks, Inc. Version 7.1.0.183 (R14) Service Pack 3 August 02, 2005 To get started, select MATLAB Help or Demos from the Help menu. >> A = [1 2 3;4 5 6] A = 1 2 3 4 5 6 >> A(4) ans = 5 >> OCTAVE OUTPUT --------------------------- GNU Octave, version 2.9.9+ (sparc-sun-solaris2.10). Copyright (C) 2006 John W. Eaton. This is free software; see the source code for copying conditions. There is ABSOLUTELY NO WARRANTY; not even for MERCHANTIBILITY or FITNESS FOR A PARTICULAR PURPOSE. For details, type `warranty'. Additional information about Octave is available at http://www.octave.org. Please contribute if you find this software useful. For more information, visit http://www.octave.org/help-wanted.html Report bugs to <address@hidden> (but first, please read http://www.octave.org/bugs.html to learn how to write a helpful report). octave:1> A = [1 2 3;4 5 6] A = 1 2 3 4 5 6 octave:2> A(4) ans = 5 octave:3>
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