Pinput=xlsread（‘lxw1.xlsx‘）;
Poutput=xlsread（‘lxw2.xlsx‘）;
Tinput=xlsread（‘lxw3.xlsx‘）;
Toutput=xlsread（‘lxw4.xlsx‘）;%輸入訓練集和測試集
[Pinput_1ps1]=mapminmax（Pinput01）;
[Poutput_1ps2]=mapminmax（Poutput01）;%訓練集歸一化
net1=newff（Pinput_1Poutput_1[10]{‘tansig‘‘purelin‘}‘trainlm‘）;%建立網絡
net1.trainparam.show?=?50?;
net1.trainparam.epochs?=?4000?;
net1.trainparam.goal?=0.01;
net1.trainParam.lr?=0.03;
net1.trainParam.max_fail=100;%設置網絡參數
net1=train（net1Pinput_1Poutput_1）;%訓練網絡
Tinput_1=mapminmax（‘apply‘Tinputps1）;
Toutput_1=mapminmax（‘apply‘Toutputps2）;%測試集歸一化
y1=sim（net1Tinput_1）;
yi1=sim（net1Pinput_1）;%測試集訓練集輸入扔進網絡仿真得到預測輸出
y=mapminmax（‘reverse‘y1ps2）;
yi=mapminmax（‘reverse‘yi1ps2）;%反歸一化上述預測輸出
perf=perform（net1yToutput）
perfi=perform（net1yiPoutput）%輸出測試集輸出、訓

?屬性????????????大小?????日期????時間???名稱
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?????文件???????1490??2018-12-21?21:25??BP作業\BPnew.m

?????文件?????196894??2018-12-21?21:41??BP作業\BP作業.docx

?????文件???????2012??2018-12-20?19:53??BP作業\BP作業素材\BP代碼編輯器.txt

?????文件??????13747??2018-12-16?13:11??BP作業\BP作業素材\lxw1.xlsx

?????文件???????9114??2018-12-16?13:15??BP作業\BP作業素材\lxw2.xlsx

?????文件??????10245??2018-12-16?13:26??BP作業\BP作業素材\lxw3.xlsx

?????文件???????8766??2018-12-18?20:48??BP作業\BP作業素材\lxw4.xlsx

?????文件?????121188??2018-12-20?19:50??BP作業\BP作業素材\QQ截圖20181220195009.png

?????文件??????60436??2018-12-20?19:51??BP作業\BP作業素材\QQ截圖20181220195154.png

?????文件??????47549??2018-12-20?19:52??BP作業\BP作業素材\QQ截圖20181220195209.png

?????文件?????105964??2018-12-20?19:52??BP作業\BP作業素材\QQ截圖20181220195246.png

?????文件??????48976??2018-12-20?19:53??BP作業\BP作業素材\QQ截圖20181220195308.png

?????文件????????857??2018-12-20?19:50??BP作業\BP作業素材\數據.txt

?????目錄??????????0??2018-12-21?21:43??BP作業\BP作業素材

?????目錄??????????0??2018-12-26?15:12??BP作業

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???????????????627238????????????????????15