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Diffstat (limited to 'sourcecodes/bnt-master/netlab3.3/gmmprob.m')
| -rw-r--r-- | sourcecodes/bnt-master/netlab3.3/gmmprob.m | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/sourcecodes/bnt-master/netlab3.3/gmmprob.m b/sourcecodes/bnt-master/netlab3.3/gmmprob.m new file mode 100644 index 00000000..8f438b66 --- /dev/null +++ b/sourcecodes/bnt-master/netlab3.3/gmmprob.m @@ -0,0 +1,26 @@ +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)'; \ No newline at end of file |