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文件名称:层次分析
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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)
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)
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Untitled.zip
8第八章 层次分析法.pdf
8第八章 层次分析法.pdf
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