Introduction to MATLAB Neural Network Toolbox Static Neural Networks-II_NN-Static-2011.11.03

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1、IntroductiontoMATLABNeuralNetworkToolboxStaticNeuralNetworks-II2011/11/31Self-DesignedNeuralNetworksviaMatlabToolbox2Self-DesignedNeuralNetworksviaMatlabToolboxnet=network(numInputs,numLayers,biasConnect,inputConnect,layerConnect,outputConnect,targetConn

2、ect)numInputsnumLayersbiasConnectnetinputConnectlayerConnectoutputConnecttargetConnect3Self-DesignedNeuralNetworksviaMatlabToolboxnet=network(numInputs,numLayers,biasConnect,inputConnect,layerConnect,outputConnect,targetConnect)numInputs:No.ofinputnumL

3、ayers:No.oflayerbiasConnect:numLayersൈ૚inputConnect:numLayersൈnumInputslayerConnect:numLayersൈnumLayersoutputConnect:1ൈnumLayerstargetConnect:1ൈnumLayers4Self-DesignedNeuralNetworksviaMatlabToolbox෍f෍f෍f෍f෍f෍f5%step0:%step6:loadXOR-2;net.inputs{1}.r

4、ange=[-11;-11];%step7:%step1:net.layers{1}.size=2;net=network;net.layers{1}.transferFcn='tansig’';net.layers{1}.initFcn='initnw';%step2:net.numInputs=1;net.layers{2}.size=1;net.numLayers=2;net.layers{2}.transferFcn='tansig';net.layers{2}.initFcn='initnw'

5、;%step3:%step8:net.biasConnect=[1;1];net.layerWeights{1,1}.delays=0;net.layerWeights{2,1}.delays=0;%step4:net.inputConnect=[1;0];%step9:net.layerConnect=[00;10];net.initFcn='initlay';net.performFcn='mse';%step5:net.trainFcn='trainlm';net.outputConnect=[0

6、1];net.targetConnect=[01];%step10:net=init(net);6%step11:%step14:net.trainParam.goal=0;fori=1:N_data_testnet.trainParam.epochs=100;ify(i)>0.5net.trainParam.lr=0.01;yy_t(i)=1;elseyy_t(i)=0;%step12:endnet=train(net,P,T,[],[],[],[]);end%step13:y=sim(net,Pt)

7、;7correct_num_test=0;false_num_test=0;forj=1:N_data_testifj<=20ifyy_t(j)==0correct_num_test=correct_num_test+1;elsefalse_num_test=false_num_test+1;endelseifj>20ifyy_t(j)==1correct_num_test=correct_num_test+1;elsefalse_num_test=false_num_test+1;endendendC

8、orrect_Rate_test=(correct_num_test/N_data_test)*100Correct_Rate_test=num2str(Correct_Rate_test);plot(Tt,'b','LineWidth',2);holdon;plot(yy_t,'r*','LineWidth',1);holdoff;title('Testing','FontSize',16);text(35,0.5,Correct_Rat