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RE: A Simple Matrix Construction Question
From: |
David Pruitt |
Subject: |
RE: A Simple Matrix Construction Question |
Date: |
Thu, 23 Jan 2003 13:34:26 -0600 |
This is known as "Tony's trick" from the Matlab support website. My
question is: why does this work?
-----Original Message-----
From: Heber Farnsworth [mailto:address@hidden
Sent: Thursday, January 23, 2003 1:28 PM
To: Craig Stoudt
Cc: address@hidden
Subject: Re: A Simple Matrix Construction Question
I think the preferred way is
X = Y(:,ones(M,1));
Heber
On Thursday, January 23, 2003, at 12:35 PM, Craig Stoudt wrote:
> There is probably a really simple way to do the
> following, but I'm suffering from a mental block.
>
> I have a row array 'Y' of arbitrary length, 1xn.
>
> I want to create an mxn matrix where all of the rows
> are the same as 'Y'.
>
> Of course, I want to do this without resorting to
> loops.
>
> Thanks in advance.
>
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Octave is freely available under the terms of the GNU GPL.
Octave's home on the web: http://www.octave.org
How to fund new projects: http://www.octave.org/funding.html
Subscription information: http://www.octave.org/archive.html
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Octave is freely available under the terms of the GNU GPL.
Octave's home on the web: http://www.octave.org
How to fund new projects: http://www.octave.org/funding.html
Subscription information: http://www.octave.org/archive.html
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