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Re: comparing two matrices


From: Jaroslav Hajek
Subject: Re: comparing two matrices
Date: Tue, 22 Jul 2008 09:58:30 +0200

On Tue, Jul 22, 2008 at 9:32 AM, Goebel, Juergen
<address@hidden> wrote:
> Hi,
>
> I'd like to compare two row (or column) matrices
> and get a resulting matrix in which the different
> positions are marked by a one, e.g.
>
> A = [0 1 2 3 0 1 2 3]
> B = [0 0 2 3 0 1 2 2]
>
> result: [0 1 0 0 0 0 0 1]
>
> How do I achieve this?  (I already played a bit
> with the find-function but without success.)
>

it's intuitive:
result = A != B

this creates a "logical" matrix. Usually that's perfectly suitable but
occassionally you may want to convert it to another type using, e.g.
"double" or "int"

> Regards,
>
> Juergen
>
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>



-- 
RNDr. Jaroslav Hajek
computing expert
Aeronautical Research and Test Institute (VZLU)
Prague, Czech Republic
url: www.highegg.matfyz.cz


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