Suppose that either Phase I is completed or the bounded optimal solution of the big-M problem is
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Question:
Suppose that either Phase I is completed or the bounded optimal solution of the big-M problem is found. Furthermore, suppose that there is exists at least one artificial at a positive level indicating that the original system Ax=b and x>=0 has no solution. How would you differentiate between the following two cases?
a. The system Ax=b is inconsistent.
b. The system Ax=b is consistent but Ax=b implies that x~>=0. Illustrate each case with an example.
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