程序如下:
model
sets:
gd/1..6/:x,y,d;
lch/A,B/:px,py,e;
links(gd,lch):c;
endsets
data:
x=1.25 8.75 0.5 5.75 3 7.25;
y=1.25 0.75 4.75 5 6.5 7.75;
d=3,5,4,7,6,11;
e=20,20;
enddata
min=@sum(links(i,j):c(i,j)*((px(j)-x(i)^2+(py(j)-y(i)^2)^1/2;
@for(gd(i):@sum(lch(j):c(i,j)=d(i);
@for(lch(j):@sum(gd(i):c(i,j)<=e(j);
end
可是运行结果出现错误,如下:
亲高手指点一下出错了原因是什么,对上述程序该如何修改呢,多谢!!!