# Question: Without using xii variables to introduce fictional shipments from a

Without using xii variables to introduce fictional shipments from a location to itself, formulate the linear programming model for the general transshipment problem described at the end of Sec. 23.1. Identify the special structure of this model by constructing its table of constraint coefficients (similar to Table 23.1) that shows the location and values of the nonzero coefficients.

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