Question: For all the changes in the parameters of the problem, do not start from scratch; use the methods Sensitivity Analysis. If the dual solution is

For all the changes in the parameters of the

For all the changes in the parameters of the problem, do not start from scratch; use the methods Sensitivity Analysis. If the dual solution is asked, do not solve the dual; find the dual solution using the the optimal tableau of the primal.

Consider the following LP and its optimal tableau Cable 59): max z = 3x + x s.t. 2x + x 4 3x + 2x = 6 4x + 2x = 7 X 0, X 0 x2 Find the dual to this LP and its optimal solution. b Find the range of values of the right-hand side of the third constraint for which the current basis remains op- timal. Also find the new optimal solution if the right- hand side of the third constraint were 15 2

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