GetRandomComponents

PURPOSE

Selects components at random.

SYNOPSIS

function gmOut=GetRandomComponents(gm,m)

DESCRIPTION

   Selects components at random.

   Returns a Gaussian mixture formed by 'm' elements of the
   input mixture selected at random.

CROSS-REFERENCE INFORMATION

This function calls:

GMixture Gaussian mixture constructor.

This function is called by:

SOURCE CODE

0001 function gmOut=GetRandomComponents(gm,m)
0002 %   Selects components at random.
0003 %
0004 %   Returns a Gaussian mixture formed by 'm' elements of the
0005 %   input mixture selected at random.
0006   
0007   rp=randperm(gm.n);
0008   lm=rp(1:m);
0009   nw=gm.w(lm);
0010   gmOut=GMixture(nw/sum(nw),gm.g(lm));
0011