Question

Define degeneracy in simplex method in operation research

Answer 1

Answer:

DEGENERACY. ... In other words, under Simplex Method, degeneracy occurs, where there is a tie for the minimum positive replacement ratio for selecting outgoing variable. In this case, the choice for selecting outgoing variable may be made arbitrarily.

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Answer 2

degeneracy in a linear programming is said to occur when a basic feasible solution contains a smaller number of non zero variables than the number of independent constraints when values of some basic variables are zero and the replacement ratio is the same