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This is the official wiki of the #ai IRC-channel about artificial intelligence on Freenode, irc.freenode.net.

You may here find information about the channel and friendly pointers for those who wishes to learn more about AI.

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LaTeX works!

(1)

\begin{align} \LaTeX! \end{align}

(2)

\begin{align} \delta^{(i)}_j = \frac{\partial f^{(i)}_j (s^{(i)}_j)}{\partial s^{(i)}_j} \sum_{k=1}^{n_{i+1}} w^{(i+1)}_{k,j} \delta^{(i+1)}_k \end{align}