bpnn——MATLAB工具箱--newff

最新推荐文章于 2022-10-19 11:17:24 发布

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最新推荐文章于 2022-10-19 11:17:24 发布 · 5.7k 阅读

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本文介绍了MATLAB中创建前馈反向传播网络的新ff函数，该函数已被弃用，推荐使用feedforwardnet。内容涵盖了newff的语法、描述、示例及算法，并提到了相关函数。

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newff

newff Create a feed-forward backpropagation network.

Obsoleted in R2010b NNET 7.0. Last used in R2010a NNET 6.0.4.
The recommended function is feedforwardnet.

Syntax

 net = newff(P,T,S)
 net = newff(P,T,S,TF,BTF,BLF,PF,IPF,OPF,DDF)

Description

 newff(P,T,S) takes,
   P  - RxQ1 matrix of Q1 representative R-element input vectors.
   T  - SNxQ2 matrix of Q2 representative SN-element target vectors.
   Si  - Sizes of N-1 hidden layers, S1 to S(N-1), default = [].
         (Output layer size SN is determined from T.)
 and returns an N layer feed-forward backprop network.

 newff(P,T,S,TF,BTF,BLF,PF,IPF,OPF,DDF) takes optional inputs,
   TFi - Transfer function of ith layer. Default is 'tansig' for
         hidden layers, and 'purelin' for output layer.
   BTF - Backprop network training function, default = 'trainlm'.
   BLF - Backprop weight/bias learning function, default = 'learngdm'.