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¸½Â¼Ò»£ºÔ¤²âѧÉú³É¼¨µÄMatlab´úÂë %GM(1,1)
%?¨®|¨¬=[(a,b)]^T=[(B^T*B)]^(-1)*B^T*Y ?D¦Ì?a,b
21
clear all;
%?¨¢¨¨?¨ºy?Y
B_tmp = xlsread('???t7GM(1,1)¨ºy?¦Ì¡ä|¨¤¨ª.xls','B???¨®','B2:D613'); Y_tmp = xlsread('???t7GM(1,1)¨ºy?¦Ì¡ä|¨¤¨ª.xls','Y???¨®','B2:D613'); %?¨¢¨¨??????¡ì¨¦¨²¦Ì¨²¨°??¡ì?¨²¦Ì??-¨º?3¨¦?¡§
x = xlsread('???t7GM(1,1)¨ºy?¦Ì¡ä|¨¤¨ª.xls','?¡ä¨ºy?Y','B2:B613'); %?¨¢¨¨??????¡ì¨¦¨²¦Ì?1-AGO3¨¦?¡§¨ºy?Y
AGO = xlsread('???t7GM(1,1)¨ºy?¦Ì¡ä|¨¤¨ª.xls','1-AGO','B2:E613'); n = size(Y_tmp); %n = [612,3]
%?¡è2a?????¡ì¨¦¨²¦Ì?3¨¦?¡§ for i = 1 : n(1)
%¡ã?¨º?¨¨?¦Ì?¨ºy?Y¡Áa???aB???¨®o¨ªY???¨® for j = 1 : n(2) B(j,1) = B_tmp(i,j); B(j,2) = 1;
Y(1,j) = Y_tmp(i,j); Y(1,j) = Y_tmp(i,j); Y(1,j) = Y_tmp(i,j); end
%????B???¨®¦Ì?¡Áa?????¨® B_T = B';
%????Y???¨®¦Ì?¡Áa?????¨® Y_T = Y';
%????B_T*B¦Ì??????¨® B_inv = inv(B_T*B); %????B_inv*B^T*Y u = B_inv*B_T*Y_T;
%?¨®¦Ì?a,b a(i) = u(1); b(i) = u(2); end
%?¡è2a¦Ì¨²i???¡ì¨¦¨²¦Ì¨²5?¡é6?¡ì?¨²¦Ì?3¨¦?¡§ for i = 1 : n(1) for j = 5 : 6
AGO(i,j) = (x(i)-b(i)/a(i))*exp(-a(i)*(j-1))+b(i)/a(i); end
for j = 5 : 6
ex(i,j-4) = AGO(i,j) - AGO(i,j-1); end end
22
%¡ã??¡è2a?¨¢1?D¡ä¨¨?Excel
xlswrite( '???t8?¡ì¨¦¨²3¨¦?¡§?¡è2a?¨¢1?.xls',ex );
¸½Â¼¶þ£º·ÖÀàËðʧº¯ÊýµÄMatlab´úÂë %cluste_lost clear;
%?¨¢¨¨??????¡ì¨¦¨²¦Ì¨²¨°??¡ì?¨²¦Ì??-¨º?3¨¦?¡§
F = xlsread('???t7GM(1,1)¨ºy?¦Ì¡ä|¨¤¨ª.xls','?¡ä¨ºy?Y','B2:B613'); F = F./100; D=zeros(612,612); for i=1:611 for j=2:612 if(i sx=sx+F(t);%????X???¨®¦Ì?¡Á¨¹o¨ª end meanx=sx/(j-i+1);%?????¨´?¦Ì?¡ä¡Á¨®¨¤¨¤¦Ì?¨ºy?Y??D? for k=i:j d=d+(F(k)-meanx).^2;%?????¡Â??¡Á¨®¨¤¨¤¦Ì??¡À?? end D(j,i)=d;%??????3?¨¤¡ä¦Ì??¡À??¡ä?¦Ì?D???¨®?D end end end LP=zeros(612,611); J=zeros(612,611); for k=2:611 for l=3:612 if k if k==2 %k=2¨º¡À¦Ì?¡Á?D??e¨º¡ìo¡¥¨ºy for j=2:l temp=D(j-1,1)+D(l,j); if(temp else %k>2¨º¡À¦Ì?¡Á?D??e¨º¡ìo¡¥¨ºy 23 for j=k:l temp=LP(j-1,k-1)+D(l,j); if temp LP(l,k)=min;%??¡¤?2??e¨º¡ìo¡¥¨ºy¡ä?¨¨?LP J(l,k)=minj; end end end for m=1:610 p(m)=LP(612,m+1); end k=2:611; plot(k,p,'-*') 24