J**Y 发帖数: 34 | 1
The dual one is:
min 6y1+4y2 s.t.
2y1+y2<=3
3y1+y2=4
y1<=0, y2 free
| d****i 发帖数: 11 | 2
minimize 6y1+4y2 subject to
2y1+y2>=3
3y1+y2>=4
y1>0, y2 free.
minimize y1+y2+y3+y4 subject to
y1+y3>=2
y1+y4>=3
y2+y3>=1
y2+y4>=2
all y's free (I think) | J**Y 发帖数: 34 | 3
Sorry, y1 should be >=0
【在 J**Y 的大作中提到】 : : The dual one is: : min 6y1+4y2 s.t. : 2y1+y2<=3 : 3y1+y2=4 : y1<=0, y2 free :
| g*******l 发帖数: 75 | 4 x1+x2=1 (1)
(1)+(2)-(3) => (4)
so (4) is unnecessary? |
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