# Linear Decoders

### From Ufldl

(→Sparse Autoencoder Recap) |
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Line 4: | Line 4: | ||

<math> | <math> | ||

+ | \begin{align} | ||

z^{(3)} &= W^{(2)} a^{(2)} + b^{(2)} \\ | z^{(3)} &= W^{(2)} a^{(2)} + b^{(2)} \\ | ||

a^{(3)} &= f(z^{(3)}) | a^{(3)} &= f(z^{(3)}) | ||

+ | \end{align} | ||

</math> | </math> | ||