Re: matrix row

[Søren Hauberg]

You need the colon operator.
You want access to a row of a matrix. That is, you want access to 
a(1,1), a(1,2), ..., a(1,n)
This can be done using a(1,:), where the colon means all values (in this 
case of the columns). If you only want the first three elements of row 
1, you could do a(1,1:3), etc.

Hope that helps,
Søren

Mukesh wrote:
> hello,
> i was just wondering if one can point to a complete row of a matrix.
>
> for example, i hav a matrix 'a=[ 1, 1, 2; 3, 5, 8; 13, 21, 34 ]' and i 
> want to print first row of the matrix '[ 1, 1, 2 ]'..
> but writing a(1) on the octave prompt doesnt give me that..
>
> octave:46> a = [ 1, 1, 2; 3, 5, 8; 13, 21, 34 ]
> a =
>
>   1   1   2
>   3   5   8
>  13  21  34
>
> octave:47> a(1)
> ans = 1



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