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The INTPOINT Procedure

SUPPLY Statement

SUPPLY variable ;

The SUPPLY statement identifies the SAS variable in the ARCDATA= data set that contains the supply at the node named in that observation’s TAILNODE list variable. If a tail node does not supply flow, use zero or a missing value for the observation’s SUPPLY list variable value. If a tail node has supply capability, a missing value indicates that the supply quantity is given in another observation. It is not necessary to have a SUPPLY statement if the name of this SAS variable is _SUPPLY_. See the section Missing S Supply and Missing D Demand Values for cases when the SUPDEM list variable values can have other values. There should be no SUPPLY statement if you are solving an LP.

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