来自刘耀宗的问题
LP模型:max50x1+80x2+30x3+40x4+15x5s.t.500x1+1000x2+100x3+300x4+80x5≤20000x1+x2≥8x3+x4≥15500x1+1000x2≤12000x1≤16,x2≤10,x3≤24,x4≤4,x5≤25,x1,x2,…,x5≥0.maxz=50x1+80x2+70x3,s.t.12x1+7x2+8x3≤80002x1
LP模型:
max50x1+80x2+30x3+40x4+15x5
s.t.500x1+1000x2+100x3+300x4+80x5≤20000
x1+x2≥8
x3+x4≥15
500x1+1000x2≤12000
x1≤16,x2≤10,x3≤24,x4≤4,x5≤25,
x1,x2,…,x5≥0.
maxz=50x1+80x2+70x3,
s.t.12x1+7x2+8x3≤8000
2x1+3x2+4x3≤1500
x1+x2+x3≤1000
x1≥100
x1≤200
x2≥300
x3≥200
x1,x2,x3≥0
题中X为求值。
1回答
2020-02-21 00:44