MATLAB: Repeat element of a vector n times without loop.

Question

Say I have a column vector x=[a;b;c]. I want to repeat each element n times to make a long length(x)*n vector. For example, for n=3, the answer would be:

ans=
a
a
a
b
b
b
c
c
c

Can anyone think of an elegant way to do this without looping?

Thanks,

Justin

Answer 1

 n=3 ; x=(1:3)' % example
 r=repmat(x,1,n)';
 r=r(:)'