摘要:
当我试图获得gurobi.optimize()后目标函数的最值(obj.X)的时候,Gurobi报错:GurobiError: Unable to retrieve attribute 'X‘ 查找原因是因为添加的相关约束使得原函数无解,所以添加判断语句 if model.status == GRB 阅读全文
摘要:
1、 #include<iostream> using namespace std; int main() { int i, j; cout << "Enter two numbers: "; cin >> i >> j; //cout << "Sum between " << i << " and 阅读全文
摘要:
1、 #include<iostream> using namespace std; const int NameSize = 20; struct stu { char firstName[NameSize]; char lastName[NameSize]; char grade; int ag 阅读全文
摘要:
1、 #include<iostream> using namespace std; int main() { const int RAT = 14; int height_ft, height_in; cout << "Please input your height in feets:___\b 阅读全文