Page 7 - operaciones

X1 X2 = 0
1 Z- 0.5 A - 0.4 B = 0
2A + B=20
A + B= 16

2 Z- 0.5 A - 0.4 B= 0
2A + B + S1= 20
A+B + S2= 16
tabla simplex
3 Z A B S1 S2 R
R1 1 -0.5 0.4 0 0 0
R2 1-2 0 2 1 1 0 20 20/2= 10
R3 0 1 1 0 1 16 16/1=16

4 Z A B S1 S2 R
R2 + R1 X 0.5 1 -0.5 -0.4 0 0 0
R2 1/2 0 1 0.5 0.5 0 10
R3+ R2 -1 0 1 1 0 1 16

5 Z A B S1 S2 R
R1 + R2 0.5 1 0 -0.15 0.25 0 5
R2 + R3 -0.5 0 1 0.5 0.5 0 10
R3 1/0.5 0 0 0.5 -0.5 1 6

6 Z A B S1 S2 R
R1 + R3 0.25 1 0 -0.15 0.25 0 5
R2 + R2 - 0.5 0 1 0.5 0.5 0 10
R3 0 0 1 -1 2 12

7 Z A B S1 S2 R
R1 1 0 0 0.1 0-3 6.8
R2 0 1 0 1 -1 4
R3 0 0 1 -1 2 12

Z= 6.8 Z= 0.5 A + 0.48
A=4 0.5 (4) + 0.4 (12)
B=12 2 + 4.8
6.8