Ngày tải lên :
27/10/2012, 10:11
... = (0, -5 .33 , -2.67) v = (0, 3. 67, 1, 3. 67), w = (3, 2.67, 6 .33 )
b
j
7 4 13 13
a
i
0 -0 .33 -0 -3. 33
11 -1 .33 -0.67 -1 .33 -8.67
-3. 67 -6 -0.67 0
-22 .33 -9.67 -4 .33 -3. 67
16 -24.67 ... - 13. 33 -10.67 0.67
*
-2.67
Ta cú h=6 v x
111
= 6, x
1 43
=5, x
2 13
=1, x
222
=4, x
233
=3, x
242
=8, x
32 1
=4, x
33 3
=6
*Ln lp 7:
u = (0, -6, -4), v =(0 ,3, 1 ,3) , w= (3, 4,7)
b
j
7 4 13 13 ... < 0
31
= u
3
+ v
1
- c
31
= 1 + 1 - 5 = -3 < 0
Ta cú phng ỏn ti u l:
x
12
= 20, x
21
= 30 , x
23
= 15, x
32
= 5, x
33
= 25, x
34
= 25.
f
min
= 20.2 + 30 .1 + 15.8 + 5 .3 + 25.9...