Re: simple question

[Rick]

> 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> 

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Transpose with "'" (single quote) and you should probably RTFM. :)

        Rick Niles.