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liangxiaoh新蟲 (小有名氣)
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[求助]
bp神經(jīng)網(wǎng)絡(luò) 輸出結(jié)果為什么全是1
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clear; p=[0 0.01473737; 0.031400901; 0.050124976; 0.071223157; 0.094964209; 0.121706489; 0.151808351; 0.185717741; 0.223882603; 0.266840469; 0.315263257; 0.369733294; 0.43105688; 0.500129904]; t=[0.1186; 0.2115; 0.2045; 0.1948; 0.3533; 0.4242; 0.4756; 0.6744; 0.7626; 0.8475; 0.9168; 0.9421; 1.09; 1.12; 1.0819]; p=p'; t=t'; net=newff((minmax(p)),[3,1],{'logsig','logsig'},'trainlm','learngdm','mse') net.trainParam.epochs=200 net.trainParam.goal=0; net=train(net,p,t) p_test=[0.577893049; 0.665448258; 0.764031858; 0.875027997; 1]; p_test=p_test'; y=sim(net,p_test) |
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