关于运筹学中的分配兹源投资问题!!求专业解答!!
变量:分别投资x1,x2,x3,x4,x5max z= 7.3*x1+10.3*x2+6.4*x3+7.5*x4+4.5*x5s.t. x1+x2+x3+x4+x5 = 1 x1+x2 <= 0.5 x3+x4 <= 0.5 x5 <=0.5 x5 >= (x3+x4) * 0.25 x2 <= (x1+x2) *0.6 x1,x2,x3,x4,x5>=0线性规划问题,最优解:x1=0.2, x2=0.3, x3=0,x4=0.4,x5=1 z=8亿 20210311