Table 4.1 outlines the options that can be specified in the INTPOINT procedure. All options are specified in the PROC INTPOINT statement. An alphabetical list of options is provided in the Dictionary of Options .
Table 4.1: Functional Summary
Description |
Statement |
Option |
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Input Data Set Options: |
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Arcs input data set |
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Nodes input data set |
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Constraint input data set |
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Output Data Set Options: |
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Constrained solution data set |
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Convert sparse or dense format input data set into MPS-format output data set |
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Data Set Read Options: |
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Default constraint type |
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Special COLUMN variable value |
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Special COLUMN variable value |
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Used to interpret arc and variable names |
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No nonarc data in ARCDATA |
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Data for an arc found once in ARCDATA |
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Data for a constraint found once in CONDATA |
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Data for a coefficient found once in CONDATA |
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Data are grouped, exploited during data read |
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Problem Size Specification Options: |
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Approximate number of nodes |
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Approximate number of arcs |
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Approximate number of variables |
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Approximate number of coefficients |
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Approximate number of constraints |
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Network Options: |
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Default arc cost, objective function coefficient |
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Default arc capacity, variable upper bound |
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Default arc flow and variable lower bound |
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Network’s only supply node |
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SOURCE ’s supply capability |
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Network’s only demand node |
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SINK ’s demand |
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Convey excess supply/demand through network |
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Cost of bypass arc, MAXFLOW problem |
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Interior Point Algorithm Options: |
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Factorization method |
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Allowed amount of dual infeasibility |
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Allowed amount of primal infeasibility |
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Allowed total amount of dual infeasibility |
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Allowed total amount of primal infeasibility |
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Cut-off tolerance for Cholesky factorization |
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Density threshold for Cholesky processing |
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Step-length multiplier |
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Preprocessing type |
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Print optimization progress on SAS log |
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Ratio test zero tolerance |
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Interior Point Algorithm Stopping Criteria: |
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maximum number of interior point iterations |
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primal-dual (duality) gap tolerance |
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Stop because of complementarity |
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Stop because of duality gap |
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Stop because of complementarity |
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Stop because of duality gap |
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Stop because of complementarity |
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Stop because of duality gap |
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Stop because of complementarity |
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Stop because of duality gap |
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Memory Control Options: |
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Issue memory usage messages to SAS log |
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Number of bytes to use for main memory |
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Miscellaneous Options: |
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Infinity value |
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Maximization instead of minimization |
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Zero tolerance - optimization |
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Zero tolerance - real number comparisons |
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Suppress similar SAS log messages |
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Scale problem data |
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Write optimization time to SAS log |