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Re: simple question


From: Vitaliy A Repin
Subject: Re: simple question
Date: Sat, 12 Dec 1998 23:18:40 +0300

On Sat, Dec 12, 1998 at 10:53:34AM -0500, Frederick A Niles wrote:
> 
> > One simple question. 
> > There is a matrix A:
> > 
> > How can I use the first/second column or row of this matrix?
> > Is there any Octave operator which gives me the n-th column(row)
> > of matrix as vector?
> 
> 
> octave:1> A= [[1 2]
> > [3 4]
> > [5 6]
> > [7 8]
> > [9 10]
> > [0 2]
> > [3 4]]
> A =
> 
>    1   2
>    3   4
>    5   6
>    7   8
>    9  10
>    0   2
>    3   4
> 
> octave:2> A(:,2)
> ans =
> 
>    2
>    4
>    6
>    8
>   10
>    2
>    4
> 
> octave:3> A(2,:)
> ans =
> 
>   3  4
> 
> octave:4> 
> 
> -----------------
> Transpose with "'" (single quote) and you should probably RTFM. :)

Thank you very much for your answer.  
> 
>       Rick Niles.



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