From help-request at octave dot org Wed Sep 21 18:51:05 2005
Subject: Re: help
From: "Henry F. Mollet" <mollet at pacbell dot net>
To: Mike Miller <mbmiller at taxa dot epi dot umn dot edu>
CC: David Bateman <David dot Bateman at motorola dot com>,         shashi kumar <shashi_anjali@yahoo.com>,         <help-octave@bevo.che.wisc.edu>, Octave_post <help@octave.org>
Date: Wed, 21 Sep 2005 16:49:47 -0700

This is curious as I thought this was in my ancient Octave manual. I fired
up 2.1.46 on old iMac and below worked just fine.
Henry


on 9/21/05 3:59 PM, Mike Miller at mbmiller at taxa dot epi dot umn dot edu wrote:

> On Wed, 21 Sep 2005, Henry F. Mollet wrote:
> 
>> Method is probably not new and deletes rows of a matrix according to
>> given condition (values larger than 3 in col 3 in the following example,
>> second example uses row 3 for which no elements are < 3).
> 
> Example:
> 
> X=rand(3);
> X(2,:)=[];
> 
> Deletes row 2 from X.
> 
> This version won't do it:
> 
> GNU Octave, version 2.1.50 (i686-pc-linux-gnu)
> 
> (It says the assignment can't be done because the matrices are not of the
> same size.)  But 2.1.71 under Cygwin does it correctly.
> 
> I like this new (for me) trick and I thank you for teaching me about it!
> 
> Mike




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