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               Message-ID: <39BE7EA0.E8603284@umich.edu>
                     Date: Tue, 12 Sep 2000 15:06:08 -0400
                     From: Eric Durant <edurant@umich.edu>
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                  Subject: Re: if (1 | []) : inconsistencies?
               References: <39BE5CB1.7E8FD4E9@umich.edu> <39BE73F0.F369297A@sandia.gov>
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The behavior of logical operators is defined over (scalar, empty
matrix), unless I'm completely misunderstanding page 2-12 of the
Function Reference.  "help relops" isn't as explicit, but it implies the
same thing.

A "bad idea"... I'd have to agree if the behavior is undefined or
improperly implemented.  As I read the documentation, this is defined
behavior, though.  So, is it implemented improperly, or have I misread
the documentation?

-- Eric Durant
   http://edurant.com/

Erik Reckase wrote:
>R12 has the same behavior, but I'm not sure exactly why.  Comparing
>anything with an empty matrix seems to be a bad idea to me, simply 
>from a programming standpoint.  The logical operators are not defined 
>for empty matrix comparisons, right?  I can't find any documentation 
>stating what the results of the '|' operator should be for empty 
>matrix values...
> 
> -Erik