求大神lingo 代码为什么报错?

问题描述:

求大神lingo 代码为什么报错?
model:
min=((x38-100)^2+(y38-700)^2)^(1/2)+@asin((((x38-x39)^2+(y38-y39)^2)^(1/2))/20)*3.14/9;
(x38-270)^2+(y38-680)^2=100;
(x39-270)^2+(y39-680)^2=100;
End

没有任何错误 结果是Global optimal solution found.Objective value:161.1724Objective bound:161.1724Infeasibilities:0.2842171E-12Extended solver steps:2Total solver iterations:712Variable Value Reduced C...