Duality Theory: Consider the following LP:
max 2x1+2x2+4x3
x1−2x2+2x3≤−1
3x1−2x2+4x3≤−3
x1,x2,x3≤0
Formulate a dual of this linear program. Select all the correct objective function and constraints
1. min −y1−3y2
2. min −y1−3y2
3. y1+3y2≤2
4. −2y1−2y2≤2
5. 2y1+4y2≤4
6. y1,y2≤0
The given problem in matrix form we can write as
subject to constraints
where
, , and
Since the primal has objective maximize, dual has objective minimize and dual is given by
subject to the constaints
where
So we can write the dual of given linear programming problem as
subject to constaints
So the correct objective function of dual is
Correct constraints of dual are
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