整数规划
import pulp
#一个不太聪明的系数计算
k2=7*321/10000
k3=6*250/4000
k4=4*783/7000
k5=7*200/4000
k7=9*321/10000
k8=8*250/4000
k9=12*321/10000
k10=11*783/7000
#创建一个问题叫做problem
c = [0.75,1-k2,-k3,-k4,-k5,-0.5,-k7,1.65-k8,2.3-k9-k10]#目标函数系数
#约束系数矩阵
A =[[-5,0,0,0,0,-10,0,0,0],
[0,-7,0,0,0,0,-9,0,-12],
[0,0,-6,0,0,0,0,-8,0],
[0,0,0,-4,0,0,0,0,-11],
[0,0,0,0,-7,0,0,0,0]]
#约束条件常数向量
B = [-6000,-10000,-4000,-7000,-4000]
#equal 约束条件系数矩阵
Aeq =[[1,1,-1,-1,-1,0,0,0,0,0],[0,0,0,0,0,1,1,-1,0,0]]
#equal 约束条件常数向量
Beq =