From help-octave-request at bevo dot che dot wisc dot edu  Sat Dec 12 09:49:31 1998
Subject: Re: simple question 
From: Frederick (Rick) A Niles <niles at axp745 dot gsfc dot nasa dot gov>
To: Vitaliy A Repin <vitaly at radio dot hop dot stu dot neva dot ru>
cc: help-octave at bevo dot che dot wisc dot edu, niles@axp745.gsfc.nasa.gov
Date: Sat, 12 Dec 98 10:53:34 -0500


> 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. :)

	Rick Niles.