Neural Networks

 Revision as of 06:07, 27 February 2011 (view source)Ang (Talk | contribs)← Older edit Revision as of 06:08, 27 February 2011 (view source)Ang (Talk | contribs) mNewer edit → Line 94: Line 94: In the sequel, we also let $z^{(l)}_i$ denote the total weighted sum of inputs to unit $i$ in layer $l$, In the sequel, we also let $z^{(l)}_i$ denote the total weighted sum of inputs to unit $i$ in layer $l$, - including the bias term (e.g., $z_i^{(2)} = \sum_{j=1}^n W^{(1)}_{ij} x_j + b^{(1)}_i$), so that + including the bias term (e.g., $\textstyle z_i^{(2)} = \sum_{j=1}^n W^{(1)}_{ij} x_j + b^{(1)}_i$), so that $a^{(l)}_i = f(z^{(l)}_i)$. $a^{(l)}_i = f(z^{(l)}_i)$.