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Re: matrix operators /
From: |
Jaroslav Hajek |
Subject: |
Re: matrix operators / |
Date: |
Wed, 25 Aug 2010 21:06:21 +0200 |
On Wed, Aug 25, 2010 at 7:57 PM, Joseph A Cerniglia <address@hidden> wrote:
> Not sure if this is a bug.
>
> a = [ 1 2 3]
> b = [ 2 4 6]
>
> As expected,
> a/b returns 0.50
> a./b returns 0.50 0.50 0.50.
>
> Now change b(3) = 7
>
> a/b returns 0.44928
> What is this result/calculation?
>
this solves a = x*b in a least squares sense. For vectors, it's
equivalent to a*b' / norm(b)^2.
hth
--
RNDr. Jaroslav Hajek, PhD
computing expert & GNU Octave developer
Aeronautical Research and Test Institute (VZLU)
Prague, Czech Republic
url: www.highegg.matfyz.cz
- matrix operators /, Joseph A Cerniglia, 2010/08/25
- Re: matrix operators /,
Jaroslav Hajek <=