Question

谁能用lingo软件解下面这个题啊,

Answer 1

model:

sets:

year/1..5/:item1,item4,S;

endsets

data:

M=10;

enddata

max=S(5);

S(1)=M-item1(1)+0.06*item4(1);

S(2)=S(1)+1.15*item1(1)-item1(2)+0.06*item4(2)-item3;

S(3)=S(2)+1.15*item1(2)-item1(3)+0.06*item4(3)-item2;

S(4)=S(3)+1.15*item1(3)-item1(4)+0.06*item4(4);

S(5)=S(4)+1.15*item1(4)-item1(5)+0.06*item4(4)+1.25*item2+1.4*item3;

item1(1)+item4(1)