Consider the tree solution for the following minimum cost


Question: Consider the tree solution for the following minimum cost network flow problem:

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The numbers on the tree arcs represent primal flows while numbers on the nontree arcs are dual slacks.

(a) Using the largest-coefficient rule in the dual network simplex method, what is the leaving arc?

(b) What is the entering arc?

(c) After one pivot, what is the new tree solution?

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Engineering Mathematics: Consider the tree solution for the following minimum cost
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