lingo 错误1017怎么办啊model:min=x1+x2+x3;x1*r11+x2*r12+x3*r13>=60;x1*r2_其他解答

lingo 错误1017怎么办啊
model:
min=x1+x2+x3;
x1*r11+x2*r12+x3*r13>=60;
x1*r21+x2*r22+x3*r23>=11;
x1*r31+x2*r32+x3*r33>=34;
x1*r41+x2*r42+x3*r43>=20;
5*r11+6*r21+9*r31+11*r41>=21;
5*r12+6*r22+9*r32+11*r42>=21;
5*r13+6*r23+9*r33+11*r43>=21;
5*r11+6*r21+9*r31+11*r41

人气：403 ℃　时间：2020-07-02 22:19:34

解答

正确的结果应该是：
Global optimal solution found.
Objective value:37.00000
Objective bound:37.00000
Infeasibilities:0.000000
Extended solver steps: 1
Total solver iterations:208727
Variable Value
X121.00000
X213.00000
X33.000000
R111.000000
R123.000000
R130.000000
R210.000000
R220.000000
R234.000000
R311.000000
R321.000000
R330.000000
R411.000000
R420.000000
R430.000000