sos_c + + . cpp
*/ /*这个例子创建了一个非常简单的狗万app足彩特殊排序集(SOS)模型。该模型由3个连续变量、无线性约束和一对1型SOS约束组成。*/ #include "gurobi_c++.h" using namespace std;int main(int argc, char *argv[]) {GRBEnv *env = 0;GRBVar *x = 0;try {env = new GRBEnv();GRBModel model = GRBModel(*env);//创建变量double ub[] = {1,1,2};Double obj[] = {-2， -1， -1};字符串名称[]= {"x0"， "x1"， "x2"}; x = model.addVars(NULL, ub, obj, NULL, names, 3); // Add first SOS1: x0=0 or x1=0 GRBVar sosv1[] = {x[0], x[1]}; double soswt1[] = {1, 2}; model.addSOS(sosv1, soswt1, 2, GRB_SOS_TYPE1); // Add second SOS1: x0=0 or x2=0 */ GRBVar sosv2[] = {x[0], x[2]}; double soswt2[] = {1, 2}; model.addSOS(sosv2, soswt2, 2, GRB_SOS_TYPE1); // Optimize model model.optimize(); for (int i = 0; i < 3; i++) cout << x[i].get(GRB_StringAttr_VarName) << " " << x[i].get(GRB_DoubleAttr_X) << endl; cout << "Obj: " << model.get(GRB_DoubleAttr_ObjVal) << endl; } catch(GRBException e) { cout << "Error code = " << e.getErrorCode() << endl; cout << e.getMessage() << endl; } catch(...) { cout << "Exception during optimization" << endl; } delete[] x; delete env; return 0; }
