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[ÇóÖú] matlabÉñ¾­ÍøÂçÇóÖú

´ó¼ÒºÃ£¬ÓиöÎÊÌâÇë½Ìһϡ£ÎÒÓÃÉñ¾­ÍøÂçѵÁ·Ê±£¬ÓÃÄÚÖõÄÔ¤²âº¯Êýg=sim(net,x)µÃ³öµÄÖµºÍ²ÉÓñí´ïʽµÃ³öµÄÖµz1=net.iw{1,1}*x+net.b{1};
z2=net.lw{2,1}*tansig(z1)+net.b{2};²»Ò»Ñù£¬ÇëÎÊÊÇʲôԭÒò£¬Ð»Ð»£¡ÃüÁîÁ÷ÈçÏÂ
clear;clc;
muX=[38;54];sigmaX=[3.8;2.7];
nP=100;
x=[normrnd(muX(1),sigmaX(1),nP,1),normrnd(muX(2),sigmaX(2),nP,1)];
g=x(:,1).*x(:,2)-1140;
xr=minmax(x');
%net=newff(xr,[5,1],{'tansig','purelin'});
net=newff(x',g',[5,1],{'tansig','purelin'});
net=train(net,x',g');
x=muX;
g=sim(net,x);
z1=net.iw{1,1}*x+net.b{1};
z2=net.lw{2,1}*tansig(z1)+net.b{2};
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