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Re: operations on binary matrices


From: Jordi Gutiérrez Hermoso
Subject: Re: operations on binary matrices
Date: Thu, 24 Nov 2011 18:17:43 -0500

On 24 November 2011 17:51, mmasny <address@hidden> wrote:

> I would like to write two programs. The first one is supposed to
> multiply two square binary matrices. I want to multiply them in a
> way simlilar to the way we multiply matrices usually, except I take
> the sum of elements to be the logical disjunction and the product to
> be the logical conjunction.

How about

    mod (A*B, 2)

?

> The second program is supposed to compare matrices in terms of the
> following partial order: A<=B iff (A(i,j)==1 implies B(i,j)==1).

Try

   all ((A <= B)(:))

HTH,
- Jordi G. H.


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