Prohibited transportation problem. (Apr 2003) (Oct 2005)
In a transportation problem if it is not possible transport any quantity from a Supply centre to a particular Demand centre due to some constraints, it is called Prohibited transportation problem. For the prohibited cell, the unit cost of transportation is put as “M”, which is infinitely high cost.
Since M is infinity, till the end of the solution, M remains as M. It does not change. No allocation can come in that cell.
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