P=[39.1837 24.4898 11.4286 18.3673 6.5306;46.8085 36.8794 7.5177 8.5106 0.2837;33.6634 2.9703 27.7228 33.1683 2.4752;42.0168 33.6134 8.9636 14.8459 0.5602;46.1321 11.5723 8.5220 33.1447 0.6289;7.8105 30.4018 43.3893 17.3722 1.0262;32.7586 44.2529 12.0690 10.9195 0;40.2597 25.1082 16.0173 18.6147 0;33.5617 33.5617 23.4932 9.2295 0.1538;0.9811 43.8318 28.3884 26.7987 0;38.1862 31.0263 22.9117 7.8759 0;24.0035 27.8000 30.0000 24.4228 0;16.7460 16.5319 57.3739 6.8744 2.4738;16.1370 24.0087 48.9029 10.1348 0.8167;4.6875 10.8259 66.9643 17.5223 0;3.7648 26.8179 61.8876 7.2202 0.3094;18.6139 17.9724 55.3628 6.6865 1.3644;30.1101 39.0330 26.1399 4.5597 0.1572;15.8933 21.8097 58.1206 3.1903 0.9861;15.9445 30.0131 48.7713 4.9709 0.3001;1.3802 6.1511 76.6277 9.2081 6.6329;34.6084 18.2149 17.3042 14.3898 15.4827;84.3327 8.0593 0.3868 7.2211 0;61.3944 10.8221 10.4058 4.1623 13.2154;57.9832 18.8655 8.6555 4.6218 9.8739;44.9775 11.0945 2.6987 12.7436 28.4858;87.2663 6.5004 1.0686 5.1647 0;89.9942 5.3479 2.7027 1.9551 0;30.4094 8.1412 16.0032 0.7212 44.7250;17.0118 13.7574 39.5710 3.0695 26.5902;62.3063 11.1903 10.0123 1.8599 14.6311;44.9640 8.0935 18.8849 1.0941 26.9784;32.5967 15.4696 38.6740 4.9724 8.2873;49.7696 8.4485 19.3548 2.1505 20.2765;44.7927 17.4924 23.5592 3.6400 10.5157;12.0233 12.0046 12.0000 10.0593 61.8213];
>> T=[1 0 0 0 0;1 0 0 0 0;1 0 0 0 0;1 0 0 0 0;1 0 0 0 0;0 1 0 0 0;0 1 0 0 0;0 1 0 0 0;0 1 0 0 0;0 1 0 0 0;0 1 0 0 0;0 1 0 0 0;0 0 1 0 0;0 0 1 0 0;0 0 1 0 0;0 0 1 0 0;0 0 1 0 0;0 0 1 0 0;0 0 1 0 0;0 0 1 0 0;0 0 1 0 0;0 0 0 1 0;0 0 0 1 0;0 0 0 1 0;0 0 0 1 0;0 0 0 1 0;0 0 0 1 0;0 0 0 1 0;0 0 0 0 1;0 0 0 0 1;0 0 0 0 1;0 0 0 0 1;0 0 0 0 1;0 0 0 0 1;0 0 0 0 1;0 0 0 0 1];
>> net=newff(P,T,10,{'tansig','logsig'},'trainrp');%建立bp神经网路
>> net.trainparam.show=50;
>> net.trainparam.lr=0.05;
>> net.trainparam.mc=0.9;
>> net.trainparam.epochs=10000;
>> net.trainparam.goal=0.001;%参数的设置
>> [net tr]=train(net,P,T);%采用弹性bp算法训练
>> A=sim(net,P);%bp网络的仿真
>> E=T-A;
>> MSE=mse(E);
gensim(net)
R=[7.2 5.6 3.5 2.7 3.1;
120.0 120.0 33.0 83.0 0.56;
20.6 19.6 7.5 60.9 1.52;
42 97 156 598 0;
1556 93 34 46 0;
200 46 16 109 128;
98 122 31 292 15;
92 56 42 35 0;
31.6 5.3 1.3 12.2 13.1;
72 512 138 1200 5.6];
Z=sim(net,R);
朋友,我就是归一化上面的P,T,R,三个矩阵中的数据,。
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