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− The ''network'' consists of connections, each connection transferring the output of a neuron <math>i</math> to the input of a neuron <math>j</math>. In this sense <math>i</math> is the predecessor of <math>j</math> and <math>j</math> is the successor of <math>i</math>. Each connection is assigned a weight <math>w_{ij}</math>.<ref name=Zell1994ch5.2 />+
→连接和权重(Connections and weights)
====连接和权重(Connections and weights)====
====连接和权重(Connections and weights)====
''网络''由连接组成,每个连接传递一个神经元的输出 <math>i</math> 到一个神经元的输入 <math> j </math>. 从这个角度来说, <math>i</math> 是 <math> j </math> 的前驱, <math> j </math> 是 <math>i</math> 的后继.每个连接被赋予一个权重 <math>w_{ij}</math>.
====传播函数(Propagation function)====
====传播函数(Propagation function)====