function post = gmmpost(mix, x)
post (i.e. the probability of each
component conditioned on the data p(j|x)) for a Gaussian mixture model.
The data structure mix defines the mixture model, while the matrix
x contains the data vectors. Each row of x represents a single
vector.
gmm, gmmactiv, gmmprobCopyright (c) Ian T Nabney (1996-9)