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If you know which
hidden units are
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active, use the
weights from all of the
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active hidden
units to determine the
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probability of
turning on a visible unit.
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If you know which
visible units are
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active, use the
weights from all of the
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active visible
units to determine the
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probability of
turning on a hidden
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unit.
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If you do not
know the states, start
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somewhere and
alternate between
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picking hidden
states given visible
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ones and picking
visible states given
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hidden ones.
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