The INTPOINT Procedure
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Overview
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Getting Started
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SyntaxFunctional SummaryDictionary of OptionsPROC INTPOINT StatementCAPACITY StatementCOEF StatementCOLUMN StatementCOST StatementDEMAND StatementHEADNODE StatementID StatementLO StatementNAME StatementNODE StatementQUIT StatementRHS StatementROW StatementRUN StatementSUPDEM StatementSUPPLY StatementTAILNODE StatementTYPE StatementVAR Statement
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DetailsInput Data SetsOutput Data SetsConverting Any PROC INTPOINT Format to an MPS-Format SAS Data SetCase SensitivityLoop ArcsMultiple ArcsFlow and Value BoundsTightening Bounds and Side ConstraintsReasons for InfeasibilityMissing S Supply and Missing D Demand ValuesBalancing Total Supply and Total DemandHow to Make the Data Read of PROC INTPOINT More EfficientStopping Criteria
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ExamplesProduction, Inventory, Distribution ProblemAltering Arc DataAdding Side ConstraintsUsing Constraints and More Alteration to Arc DataNonarc Variables in the Side ConstraintsSolving an LP Problem with Data in MPS FormatConverting to an MPS-Format SAS Data SetMigration to OPTMODEL: Production, Inventory, Distribution
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Converting Any PROC INTPOINT Format to an MPS-Format SAS Data Set
The MPSOUT= option enables you to convert an input data set for the INTPOINT procedure into an MPS-format SAS data set. The converted data set is readable by the OPTLP procedure.
The conversion can handle linear programs and network flow formulations. If you specify a network flow formulation, it will be converted into an equivalent linear program. When multiple objective row names are present, rows with the name encountered first are combined into the objective row. The remaining rows are marked as free rows.
For information about how the contents of the MPS-format SAS data set are interpreted, see Chapter 17: The MPS-Format SAS Data Set in SAS/OR 14.1 User's Guide: Mathematical Programming. For examples that demonstrate the use of the MPSOUT= option and migration to the OPTMODEL procedure, see the section Examples: INTPOINT Procedure.