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Operations Research Models and Methods
Problems Section
Problems for Linear Programming Models
- Worker Assignment

Although we have prescribed integer variables for this model. The integer constraints can be dropped and replaced with simple lower and upper bounds of 0 and 1. This problem is totally unimodular and the solution will automatically be integer without requiring it. This is true for all pure transportation type problems with integer parameters.

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Operations Research Models and Methods
by Paul A. Jensen
Copyright 2004 - All rights reserved