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| Learning in Semi-restricted Boltzmann |
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| Machines |
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| • | Method
1: To form a reconstruction,
cycle |
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| through the
visible units updating each in turn |
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| using the
top-down input from the hiddens plus |
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| the lateral input
from the other visibles. |
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| • | Method
2: Use “mean field” visible
units that |
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| have real values.
Update them all in parallel. |
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| – | Use
damping to prevent oscillations |
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| total input
to i |
| damping |