奥运奖牌预测-第一次(4)

附录III

x=[350 165 131 39 14 292 239 88 67 100 100 100 100 100 100 70 70 40 100 80 80 80 80 60 60 40 40]; c=1; d=1;

xmin=min(x,[],2); xmax=max(x,[],2); for i=1:3

for j=1:9

x1(i,j)=c+d*(x(i,j)-xmin(i))/(xmax(i)-xmin(i)); end end

w=[0.3,0.4,0.4]; y=ones(1,9); for j=1:9

for i=1:3

y(1,j)=y(1,j)*x1(i,j)^w(i); end end y

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