X1 + x2 max s.t. + x2 + 12 40 3 X2 >0 X2 EZ VI VI

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter2: Working With Real Numbers
Section: Chapter Questions
Problem 28CLR
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Question
Use the integer program from Question 1.
a) Write an equivalent integer program (not MIP) with only equality constraints, such that ALL data
parameters (i.e. aij, bi, c;) are integers.
b) Suppose s1, 82 are our slack variables in part a. If we run Simplex algorithm on the LP relaxation
of the IP from part a, we will obtain the final tableau below. Construct ALL possible cutting planes
that you can extract from the tableau. How many cutting planes can you construct using (only) the
method from class?
x1
x2
S1
S2
1
-0.70
-0.30
-7.50
1
1.12
-0.12
4
1
-0.42
0.42
3.50
Transcribed Image Text:Use the integer program from Question 1. a) Write an equivalent integer program (not MIP) with only equality constraints, such that ALL data parameters (i.e. aij, bi, c;) are integers. b) Suppose s1, 82 are our slack variables in part a. If we run Simplex algorithm on the LP relaxation of the IP from part a, we will obtain the final tableau below. Construct ALL possible cutting planes that you can extract from the tableau. How many cutting planes can you construct using (only) the method from class? x1 x2 S1 S2 1 -0.70 -0.30 -7.50 1 1.12 -0.12 4 1 -0.42 0.42 3.50
max
+ x2
x1 + *2
*i + *2
s.t.
40
3
X2
X2 EZ
VI VI
Transcribed Image Text:max + x2 x1 + *2 *i + *2 s.t. 40 3 X2 X2 EZ VI VI
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