Question

帮忙用LINGO做一下这个式子min z=y1+y2+y3+y4+y5+y6+y7s.t.x1j+x5j≤9 x2j+x

Answer 1

model:

sets:

s/1..7/:y,x1,x2,x3,x4,x5,x6,a;

endsets

data:

a=61.5 111 34 14 26 39 5;

enddata

min=@sum(s:y);

@for(s:x1+x5