
332 Introduction to Computational Modeling
4 R3 NU 75.000 . -Inf 36.36364
28.50000 75.00000 80.00000
Row Obj coef Obj value at Limiting
range break point variable
---- --------- ------------- ------------
z -1.00000 . R3
+Inf +Inf
R1 -.11692 4726.15385 R3
.93333 19200.00000 R2
R2 -1.05000 5200.00000 R1
+Inf 10800.00000 x2
R3 -28.50000 5236.36364 x2
+Inf 6480.00000 R1
End of report
The listing shows constraint R1 with a Slack value of 1218.75, which is the differ-
ence between its specified value (15000.0) and its actual value, which is 13781.250.
This constraint is not active in the optimal solution of the problem.
22.3 Duality
For every linear optimization problem, ...