Question: Consider the tableau obtained while solving a linear maximization problem with the simplex method. a) Find the conditions under which it can be concluded from

Consider the tableau obtained while solving a linear maximization problem with the simplex method.

Consider the tableau obtained while solving a

a) Find the conditions under which it can be concluded from the tableau above that the objective value of the problem is unbounded from above.

b) Assume that c >0 and d

c) Assume that b and f>0 and that c=0. Find conditions under which there is only one possible pivot in the tableau above, and that pivot is a degenerate one.

d) Assume f>0. Specify conditions that are needed for the current basic feasible solution to be optimal and an alternative optimum solution to exist.

si a Z 1 0 0 0 X1 0 1 0 0 X2 0 0 0 1 d S2 b 0 1 1 S3 0 0 1 0 RHS 7 3 2 f e

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