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From: Rich Townsend <rhdt@barVOIDtol.udel.edu>
Newsgroups: comp.lang.ada,comp.lang.fortran
Subject: Re: Ada vs Fortran for scientific applications
Date: Tue, 23 May 2006 10:23:56 -0400
Organization: University of Delaware
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Date: 2006-05-23T10:23:56-04:00
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Gareth Owen wrote:
> Paul Van Delst <Paul.vanDelst@noaa.gov> writes:
> 
> 
>>At the risk of igniting a language war (not my intent) and/or exposing
>>my ignorance of Ada, I find the former misleading. To me, A*B suggests
>>a regular old multiplication of two arrays, rather than a matix
>>multiplication.
> 
> 
> I think assuming anything about A*B is extremely dangerous.  Just of
> the top of my head, Ada and Matlab think it means matrix
> multiplication and Fortran and Mathematica think its pointwise
> multiplication.
> 
> It means basically nothing in C, and in C++ it means whatever the
> matrix class implementor wanted it to mean.

My stance on A*B is this: if A*B denotes matrix multiplication, then A/B should 
denote matrix 'division': B^-1*A. Which means you need to standardize matrix 
inversion/linear-equations solution into the language. Which is batshit crazy.

cheers,

Rich