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function prob = gmmprob(mix, x)
%GMMPROB Computes the data probability for a Gaussian mixture model.
%
% Description
% This function computes the unconditional data density P(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.
%
% See also
% GMM, GMMPOST, GMMACTIV
%
% Copyright (c) Ian T Nabney (1996-2001)
% Check that inputs are consistent
errstring = consist(mix, 'gmm', x);
if ~isempty(errstring)
error(errstring);
end
% Compute activations
a = gmmactiv(mix, x);
% Form dot product with priors
prob = a * (mix.priors)';
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