LP模型:max 50x1 +80x2 +30x3 +40x4 +15x5s.t.500x1 +1000x2 +100x3 +300x4 +80x5 ≤20 000x1 + x2 ≥8x3 + x4 ≥15500x1+ 1000x2 ≤12 000x1 ≤16,x2≤10,x3≤24,x4≤4,x5≤25,x1,x2,…,x5 ≥0.max z=50x1 +80x2 +70x3,s.t.12x1 +7x2 +8x3 ≤ 80002x1

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LP模型:max 50x1 +80x2 +30x3 +40x4 +15x5s.t.500x1 +1000x2 +100x3 +300x4 +80x5 ≤20 000x1 + x2 ≥8x3 + x4 ≥15500x1+ 1000x2 ≤12 000x1 ≤16,x2≤10,x3≤24,x4≤4,x5≤25,x1,x2,…,x5 ≥0.max z=50x1 +80x2 +70x3,s.t.12x1 +7x2 +8x3 ≤ 80002x1

LP模型:max 50x1 +80x2 +30x3 +40x4 +15x5s.t.500x1 +1000x2 +100x3 +300x4 +80x5 ≤20 000x1 + x2 ≥8x3 + x4 ≥15500x1+ 1000x2 ≤12 000x1 ≤16,x2≤10,x3≤24,x4≤4,x5≤25,x1,x2,…,x5 ≥0.max z=50x1 +80x2 +70x3,s.t.12x1 +7x2 +8x3 ≤ 80002x1
LP模型:
max 50x1 +80x2 +30x3 +40x4 +15x5
s.t.500x1 +1000x2 +100x3 +300x4 +80x5 ≤20 000
x1 + x2 ≥8
x3 + x4 ≥15
500x1+ 1000x2 ≤12 000
x1 ≤16,x2≤10,x3≤24,x4≤4,x5≤25,
x1,x2,…,x5 ≥0.
max z=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。

LP模型:max 50x1 +80x2 +30x3 +40x4 +15x5s.t.500x1 +1000x2 +100x3 +300x4 +80x5 ≤20 000x1 + x2 ≥8x3 + x4 ≥15500x1+ 1000x2 ≤12 000x1 ≤16,x2≤10,x3≤24,x4≤4,x5≤25,x1,x2,…,x5 ≥0.max z=50x1 +80x2 +70x3,s.t.12x1 +7x2 +8x3 ≤ 80002x1
就是这样
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