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yuyi2009

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ÏêÇéÇë¼ûhttp://muchong.com/bbs/viewthread.php?tid=7589018
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clc
clear all
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%ÿÎå¸öÊý¾ÝÕûºÏ,
x=xlsread('C:\Users\Administrator\Desktop\double_ballÊý¾Ý±í.xls','a3:a1442');
n=length(x)
m=5;
sum=0;
j=1;
x1=zeros(1,ceil(n/m));
for k=1:m:n
    for i=k: (k+m-1)
        sum=sum+x(i);
    end
    x1(j)=sum;
    j=j+1;
    sum=0;
end
t=1: (j-1);
figure(1)
plot(t,x1);%,'d-m'
hold on;
grid on
title('ԭʼÊý¾ÝµÄ±ä»¯Ç÷ÊÆ');
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%¹éÒ»»¯´¦Àí
[x2,mint,maxt] = premnmx(x1)
figure(2)
plot(t,x2);%,'d-m'
hold on;
grid on
title('Êý¾Ý¹éÒ»»¯´¦ÀíµÄ±ä»¯Ç÷ÊÆ');
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%ÊäÈëÊý¾Ý
for k=1:1:200
    p_train(k,: )=[x2(k) x2(k+1) x2(k+2) x2(k+3) x2(k+4) x2(k+5)]; %195*6
    t_train(k,: )=x2(k+6); %195*1
end
    p_train=p_train'; %6*195
    t_train=t_train'; %1*195
for z=1:1:81
    p_test(z,: )=[x2(z+201) x2(z+202) x2(z+203) x2(z+204) x2(z+205) x2(z+206)];
    t_test(z,: )=x2(z+207);
end
     p_test=p_test';
     t_test=t_test';
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%½¨Á¢ RBF ÍøÂç                     
goal = 0.0001;                     % ѵÁ·Îó²îµÄƽ·½ºÍ(ĬÈÏΪ0)
spread = 0.01;                     % ´ËÖµÔ½´ó,ÐèÒªµÄÉñ¾­Ôª¾ÍÔ½ÉÙ(ĬÈÏΪ1)
MN = size(p_train,2);              % ×î´óÉñ¾­ÔªÊý(ĬÈÏΪѵÁ·Ñù±¾¸öÊý)
DF = 1;                            % ÏÔʾ¼ä¸ô(Á½´ÎÏÔʾ֮¼äËùÌí¼ÓµÄÉñ¾­ÔªÉñ¾­ÔªÊýÄ¿)
net = newrb(p_train,t_train,goal,spread,MN,DF);
data_out = sim(net,p_train)
p_mse = mse(data_out- t_train)
figure(3)
plot(t_train,'r+-')
hold on
plot(data_out,'bo-')
title('+ÎªÕæÊµÖµ£¬oΪԤ²âÖµ');
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%Ô¤²â²¢×÷ͼ
y=sim(net,p_test)
y_mse=mse(y-t_test)
figure(4)
plot(t_test,'r+-');
hold on;
plot(y,'bo-')
title('+ÎªÕæÊµÖµ£¬oΪԤ²âÖµ');
legend('ÕæÊµÖµ','Ô¤²âÖµ');
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  • ¸½¼þ 1 : double_ballÊý¾Ý±í.xls
  • 2014-07-08 23:44:37, 656.5 K

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3Â¥2014-07-09 10:40:42
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yuyi2009

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2Â¥: Originally posted by ÏÉľӳÔ at 2014-07-09 08:16:48
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