| Back-Propagation (cont.) |
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| • | Updates
to output units: |
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| W'j,i
ß Wj,i + a´aj´Di |
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| • | Computation
of error for previous layer units: |
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| Dj ß g'(inj)
´ sumi(Wj,i´Di) |
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| • | Process
continues with previous layer: |
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| W'k,j
ß Wk,j + a´ak´Dj |
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| Dk ß g'(ink)
´ sumj(Wk,j´Dj) |
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| • | Repeat until input layer is reached (e.g. ak = Ik) |
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