function [R,v] = subsample( A, cnt )
% function [R] = subsample( A, cnt )
%
% Takes the matrix A and samples cnt random columns from it.
%
% D. Wingate 10/25/2006
%

  tmp = randperm( size(A,2) );
  v = tmp(1:cnt);

  R = A( :, v );

return;