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aniu0512

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ÎÒÏ뽨Á¢Ò»¸öBPÍøÂ磬һ¸öÊäÈë²ã£¬Ò»¸öÊä³ö²ã£¬Ò»¸öÒþ²ã£¬ÔÚ½¨Á¢ÍøÂçʱ£¬ÔõôдÊÇ׼ȷµÄ£¿ÎÒÊÇÐÂÊÖ£¬ÍâÐÐרҵµÄ£¬ÎÒÃDz»Ñ§Ï°Õâ¸ö¶«¶«ÄØ¡£
±ÏÒµÂÛÎÄÐèÒªÓÃÕâ¸ö½øÐÐÆÀ¼Û¡£ÔÚѧϰÁ˰ë¸öÔºó£¬ÖªµÀÁËÒ»µãµã¡£ÔÚ̳×ÓÀï¿´µ½²»ÉÙÀý×Ó£¬Ä£·ÂдÁËÒ»¸ö£¬Çë¸ßÊÖÖ¸½Ì¡£ÁíÍ⣬ÈçºÎ¹Ì¶¨È¨ÖØ£¬±£Ö¤Ã¿´ÎµÄѵÁ·ºÍÆÀ¼Û½á¹ûÒ»Ñù£¬Ð»Ð»¡£

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% pÊÇѵÁ·Ñù±¾£¬p2ÊDzâÊÔÑù±¾£¬t ÊÇÄ¿±êÑù±¾
p=[...];
p2=[..];
t=[..];
p = p';
p2 = p2';

% ¹éÒ»»¯Êý¾Ý,ÇëÎÊ2¸ö·½·¨Çø±ð´óÂð£¿
%for i=1:7 % 7¸öÊäÈë
% pn(i,=(p(i,-min(p(i,))/(max(p(i,)-min(p(i,));
%end
[pn,minp,maxp] = premnmx(p);

%for i=1:7
  %p2n(i,=(p2(i,-min(p(i,))/(max(p(i,)-min(p(i,));
%end
[p2n,minp,maxp]=premnmx(p2);

% Éñ¾­ÍøÂç²ÎÊýÉèÖÃ
Para.Goal = 0.000005;% ÍøÂçѵÁ·Ä¿±êÎó²î
Para.Epochs = 10000;% ÍøÂçѵÁ·´úÊý
Para.LearnRate = 0.05;% ÍøÂçѧϰËÙÂÊ
Para.Show = 50; % ѵÁ·ÏÔʾ¼ä¸ô¸³Öµ

% ½¨Á¢ÍøÂç,Òþ²ãÊýÄ¿17,ѰÓŵõ½£¬7-17-1 ½á¹¹£¬Ò»¸öÊäÈë²ã£¬Ò»¸öÊä³ö²ã£¬Ò»¸öÒþ²ã¡£
%ÇëÎÊ Äĸö·½·¨¶Ô£¿
net=newff(minmax(pn),[7,17,1],{'tansig','tansig','purelin'},'trainlm');

net=newff(minmax(pn),[17,1],{'tansig','purelin'},'trainlm');

  %ѵÁ·²ÎÊý£¬ÏÂÃæÕâ¸öÓÐÓÃÂð£¿
  %net.iw{1,1}=zeros(size(net.iw{1,1}))+0.5;
    %net.lw{2,1}=zeros(size(net.lw{2,1}))+0.75;
   %net.b{1,1}=zeros(size(net.b{1,1}))+0.5;
   % net.b{2,1}=zeros(size(net.b{2,1}));
net.trainParam.show = Para.Show;
% ѵÁ·ÏÔʾ¼ä¸ô¸³Öµ
net.trainParam.goal = Para.Goal;
% ѵÁ·Ä¿±êÎó²î¸³Öµ
Net.trainParam.lr = Para.LearnRate;
% ÍøÂçѧϰËÙÂʸ³Öµ
net.trainParam.epochs = Para.Epochs;
%ѵÁ·
[net tr] = train(net,pn,t);
save MDS_best net     %±£´æÍøÂç
%¶ÔBPÍøÂç½øÐзÂÕæ
A=sim(net,pn);
%Ñù±¾ÆÀ¼Û
B=sim(net,p2n),

[ Last edited by aniu0512 on 2010-5-4 at 10:03 ]
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rain8898

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aniu0512(½ð±Ò+1):лл²ÎÓë
adu886886(½ð±Ò-1):ÎÞÖ¤¾ÝµÄ˵·¨½«±»ÊÓ×÷¹àˮƭ½ð±Ò£¬Èç¹ûȷʵÓÐÏà¹ØÑо¿£¬Çë¶ÔÇóÖúÎÊÌâ½øÐлظ´£¬Ð»Ð»ºÏ×÷ 2010-05-04 16:30:57
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robert2020

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adu886886(½ð±Ò+1):ллӦÖú 2010-05-06 16:02:54
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http://www.amazon.cn/mn/detailAp ... 0116O9BS&sr=1-3

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Truthfulness,Compassion,Tolerance,Beauty
3Â¥2010-05-04 20:20:49
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aniu0512

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Originally posted by robert2020 at 2010-05-04 20:20:49:
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http://www.amazon.cn/mn/detailAp ... 0116O9BS&sr=1-3

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317949421

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