[yemaogong]

帮人帮到底吧。改后程序如下：
e=[111 222 333 444];
e1=[112 222 223];
a=[0.1 0.2 0.3 0.4];
m=[2 3 2];
a1=0.75;
f=6;A=0;B=0;
for i=1:4;
N(i)=(742./e(i))^10;
h(i)=N(i)./(f.*3600);
A=A+a(i)./h(i);
end;
for j=1:3;
N1(j)=(217./(e1(j)-414));
B=B+100.*m(j)./N1(j);
end;
L=a1*100/(A+B)
运行结果为：
L=-0.1125