Re: Changing the Dimension of a Matrix

[Svante Signell]

On Mon, 2010-09-13 at 06:30 +0100, Andy Buckle wrote:
> > Please forgive my ignorance. But is there a built-in command in Octave
> > that changes the dimension of  a matrix? For instance, say
> > A = [1, 2, 3, 4, 5, 6].
> > Is there a command to transform A into a matrix B with two rows and
> > three columns directly instead of doing the following?
> > B(1,:)=A(1:3);
> > B(2,:)=A(4:6);
> > Thank you very much!
> > Sincerely,
> > Kwa
> 
> > reshape(A,2,3)
> ans =
> 
>    1   3   5
>    2   4   6

B(1,:)=A(1:3);
B(2,:)=A(4:6);
B
B =

   1   2   3
   4   5   6

I had to write as follows to get the elements in correct order:
reshape(A,3,2)'
ans =

   1   2   3
   4   5   6