From help-octave-request at bevo dot che dot wisc dot edu Thu Sep  4 23:09:38 2003
Subject: arrays
From: "John W. Eaton" <jwe at bevo dot che dot wisc dot edu>
To: Nathan Weisz <Nathan dot Weisz at uni-konstanz dot de>
Cc: help-octave at bevo dot che dot wisc dot edu
Date: Thu, 4 Sep 2003 23:09:30 -0500

On 15-Aug-2003, Nathan Weisz <Nathan dot Weisz at uni-konstanz dot de> wrote:

| I'd like to repeat a question posted by Phil Reardon about 2 years ago:
| > Can octave treat three dimensional arrays like A(i,j,k)?  It seems to
| > accept this form on the right side an assignment, but not the left.
| > What is the rule here?  Thanks in advance!
| 
| The short answer to that was: no.
| 
| I'm asking because I get error messages when trying to create 
| 3-dimensional arrays in Matlab-style, e.g.:
| > octave:29> a = rand(5);
| > octave:30> b= rand(5);
| > octave:31> c = a;
| > octave:32> c(:,:,2) = b;
| > error: invalid number of indices (3) for indexed assignment
| > error: assignment failed, or no method for `matrix = matrix'
| > error: evaluating assignment expression near line 32, column 10
| 
| Something I can do about it?

Some work is currently being done (see the octave-maintainers mailing
list for some recent discussion).  I hope to have some basics working
within a few snapshots from now.

jwe



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