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[matlab] 层次分析 DL : 0: 层次分析法matlab实现 clc,clear fid=fopen('txt3.txt','r'); n1=6;n2=3; a=[]; for i=1:n1 tmp=str2num(fgetl(fid)); a=[a;tmp]; %读准则层判断矩阵 end for i=1:n1 str1=char(['b',int2str(i),'=[];']); str2=char(['b',int2str(i),'=[b',int2str(i),';tmp];']); eval(str1); for j=1:n2 tmp=str2num(fgetl(fid)); eval(str2); %读方案层的判断矩阵 end end ri=[0,0,0.58,0.90,1.12,1.24,1.32,1.41,1.45]; %一致性指标 [x,y]=eig(a); lamda=max(diag(y)); num=find(diag(y)==lamda); w0=x(:,num)/sum(x(:,num)); cr0=(lamda-n1)/(n1-1)/ri(n1) for i=1:n1 [x,y]=eig(eval(char(['b',int2str(i)]))); lamda=max(diag(y)); num=find(diag(y)==lamda); w1(:,i)=x(:,num)/sum(x(:,num)); cr1(i)=(lamda-n2)/(n2-1)/ri(n2); end cr1, ts=w1*w0, cr=cr1*w0(Analytic hierarchy process (AHP), MATLAB, implementation)
Update : 2025-02-19 Size : 160kb Publisher : ddd121