Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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Question

The optimal solution of this linear programming problem is at the intersection of constraints 1 and 2.

Max    6x1 + 3x2

s.t.            
  4x1 + x2 ≤ 400
  4x1 + 3x2 ≤ 600
  x1 + 2x2 ≤ 300
  x1, x2 ≥

0

 

 

(a)

Over what range can the coefficient of x1 vary before the current solution is no longer optimal? (Round your answers to two decimal places.)

------ to --------

(b)

Over what range can the coefficient of x2 vary before the current solution is no longer optimal? (Round your answers to two decimal places.)

----- to --------

(c)

Compute the dual value for the first constraint, second constraint & third constraint

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