Re: Zero entries in one column of a matrix

[Miquel Cabanas]

I guess so, but I think someone else knowledgeable in Octave's code
should enlight all of us about the use of boolean matrices as index
selectors.

Miquel

On Thu, Apr 01, 2004 at 10:02:57AM -0800, Henry F. Mollet wrote:
> Thanks for clear explanation.
> 
> Can I now also look at it as follows?
> In M (: , 2) the ":" operator? says use all entries/rows in the second
> column of M;
> whereas in M (M(:,2) ~= 0 , 2), the implied ":" operator? looks at the
> statement row by row and when it sees a boolean false (=0) says this is
> *not* an index and therefore the entry (which was an actual 0) has to be
> skipped?
> Henry
> 

-- 
Miquel E Cabanas ------------------------------------------------------
SeRMN, Universitat Autonoma de Barcelona (address@hidden)
------------------------------------------o-oo--ooo---ooo--oo-o--------



-------------------------------------------------------------
Octave is freely available under the terms of the GNU GPL.

Octave's home on the web:  http://www.octave.org
How to fund new projects:  http://www.octave.org/funding.html
Subscription information:  http://www.octave.org/archive.html
-------------------------------------------------------------