mip1.py
# !/usr/bin/env python3.7 # 2023年版权,Gurobi优化狗万app足彩,LLC #这个例子中制定和解决以下简单的MIP模型:#最大化# x + y z + 2 #话题# x + 2 y + 3 z < = 4 # x + y > = 1 # x, y, z二进制进口gurobipy从gurobipy gp进口伽马线暴试题:#创建一个新的模型m = gp.Model (mip1) #创建变量x = m.addVar (vtype =伽马线暴。二进制name = " x "), y = m.addVar (vtype =伽马线暴。二进制,name = " y ") z = m.addVar (vtype =伽马线暴。二进制,name = " z ") #设置目标。setObjective (x + y + 2 * z, GRB.MAXIMIZE) #添加约束:x + 2 y + 3 z < = 4米。addConstr (x + 2 * y + 3 * z < = 4, c0) #添加约束:x + y > = 1米。addConstr (x + y > = 1, c1) # m.optimize优化模型在m.getVars v的()():打印(“% s % g”% (v。VarName, v.X)打印(“Obj: % g”% m.ObjVal)除了gp。GurobiError e:打印(“错误代码”+ str (e.errno) + ': ' + str (e))除了AttributeError:打印('遇到一个属性错误')
