mip1_cs.cs
/*版权所有2019,Gurobi优化狗万app足彩，LLC */ /*本例公式和解决以下简单的MIP模型:最大化x + y + 2 z服从x + 2 y + 3 z <= 4 x + y >= 1 x, y, z二进制*/使用系统;使用Gurobi;class mip1_cs {static void Main() {try{//创建一个空环境，设置选项并启动GRBEnv env = new GRBEnv(true);env。设置(“记录文件”、“mip1.log”);env.Start ();//创建一个空的模型//创建GRBVar变量x = model.AddVar(0.0, 1.0, 0.0, GRB.)二、“x”);GRBVar y = model.AddVar(0.0, 1.0, 0.0, GRB。二、“y”);GRBVar z = model.AddVar(0.0, 1.0, 0.0, GRB.)二、“z”); // Set objective: maximize x + y + 2 z model.SetObjective(x + y + 2 * z, GRB.MAXIMIZE); // Add constraint: x + 2 y + 3 z <= 4 model.AddConstr(x + 2 * y + 3 * z <= 4.0, "c0"); // Add constraint: x + y >= 1 model.AddConstr(x + y >= 1.0, "c1"); // Optimize model model.Optimize(); Console.WriteLine(x.VarName + " " + x.X); Console.WriteLine(y.VarName + " " + y.X); Console.WriteLine(z.VarName + " " + z.X); Console.WriteLine("Obj: " + model.ObjVal); // Dispose of model and env model.Dispose(); env.Dispose(); } catch (GRBException e) { Console.WriteLine("Error code: " + e.ErrorCode + ". " + e.Message); } } }
