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Each hidden unit
has a binary state which is 1 if the unigauss chose its
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Gaussian. Start
with a training vector on the visible units. Then alternate
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between updating
all the hidden units in parallel and updating all the
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visible units in parallel.
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Update
the hidden states by picking from the posterior.
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Update
the visible states by picking from the Gaussian you get when you
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multiply
together all the Gaussians for the active hidden units.
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