my.txt

数学建模的一些示例

model:
min=1.1*x1+1.2*x2+1.3*x3+1.4*x4;
r11*x1+r12*x2+r13*x3+r14*x4>=15;
r21*x1+r22*x2+r23*x3+r24*x4>=28;
r31*x1+r32*x2+r33*x3+r34*x4>=21;
r41*x1+r42*x2+r43*x3+r44*x4>=30;
290*r11+315*r21+350*r31+455*r41<=1850;
290*r12+315*r22+350*r32+455*r42<=1850;
290*r13+315*r23+350*r33+455*r43<=1850;
290*r14+315*r24+350*r34+455*r44<=1850;
290*r11+315*r21+350*r31+455*r41>=1750;
290*r12+315*r22+350*r32+455*r42>=1750;
290*r13+315*r23+350*r33+455*r43>=1750;
290*r14+315*r24+350*r34+455*r44>=1750;
r11+r21+r31+r41<=5;
r12+r22+r32+r42<=5;
r13+r23+r33+r43<=5;
r14+r24+r34+r44<=5;
@gin(x1);@gin(x2);@gin(x3);@gin(x4);
@gin(r11);@gin(r12);@gin(r13);@gin(r14);
@gin(r21);@gin(r22);@gin(r23);@gin(r24);
@gin(r31);@gin(r32);@gin(r33);@gin(r34);
@gin(r41);@gin(r42);@gin(r43);@gin(r44);
end