Re: Ignorance

[John W. Eaton]

On  5-Mar-2012, Robert T. Short wrote:

| I don't know the dimensions or the direction a-priori.  The obvious 
| answer is 1:N followed by a repmat but there are so many cute little 
| octave tricks that I was hoping there was something really clever.

Given

  x = 1:4;
  y = ones (3, 1);
  z = ones (3, 4);

here are the ways I can think of:

  Repmat:

    repmat (x, [3,1])

  Kron:

    kron (x, y)

  Indexing:

    x(y,:)

  Outer product:

    y * x

  Broadcasting:

    z .* x

Are there any others?

jwe