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sybil-glpkAPI

This R Interface to C API of GLPK provides GLPK support for sybil, and requires GLPK Version >= 4.42.

If you're facing any problems, please open an issue or a discussion.

Note: This repository was previously hosted at https://gitlab.cs.uni-duesseldorf.de/general/ccb/glpkapi .

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Version

Install

install.packages('glpkAPI')

Monthly Downloads

914

Version

1.3.4.1

License

GPL-3 | file LICENSE

Maintainer

Mihail Anton

Last Published

July 10th, 2025

Functions in glpkAPI (1.3.4.1)

Check if the basis factorization exists

Delete Problem Object

Find Row by its Name

Delete Rows from Problem Object

Retrieve Basis Factorization Control parameters

Retrieve Basis Header Information

Retrieve Column Index in the Basis Header

Find Column by its Name

getColPrimIptGLPK

Retrieve Column Primal Value

Retrieve Column Kind

getColLowBndGLPK

Retrieve Column Lower Bound

Compute the basis factorization

Erase problem object content

getColDualIptGLPK

Retrieve Column Dual Value

Retrieve Column Name

deleteIndexGLPK

Delete the Name Index

Retrieve Column Dual Value

getColsDualIptGLPK

Retrieve Column Dual Value of all Columns

getColsDualGLPK

Retrieve Column Dual Value of all Columns

getColsStatGLPK

Retrieve Column Status of all Columns

Retrieve Column Status

getColsUppBndsGLPK

Retrieve Upper Bounds of Specified Columns

Retrieve Number of Columns

getColsKindGLPK

Retrieve Column Kind

getObjCoefsGLPK

Retrieve Objective Coefficients at Specified Columns and/or Constant Term

getInteriorParmGLPK

Retrives the Control Parameters for the Interior-point Method.

getColsLowBndsGLPK

Retrieve Lower Bounds of Specified Columns

getColsPrimGLPK

Retrieve all Column Primal Values

Retrieve Objective Coefficient or Constant Term

Retrieve Objective Function Name

Retrieve Number of Integer Columns

Retrieve Optimization Direction Flag

Retrives the Control Parameters for MIP.

getRowUppBndGLPK

Retrieve Row Upper Bound

Retrieve Column Primal Value

getColsPrimIptGLPK

Retrieve all Column Primal Values

getRowsDualGLPK

Retrieve Row Dual Values of all Rows

getColUppBndGLPK

Retrieve Column Upper Bound

getObjValIptGLPK

Retrieve Objective Value

Retrieve Column Type

Retrieves Column j of the Constraint Matrix.

Retrieve Objective Value

getDualStatGLPK

Retrieve Status of Dual Basic Solution

Determine Generic Status of the Basic Soluton

Retrieve the Number of Constraint Coefficients

getPrimStatGLPK

Retrieve Status of Primal Basic Solution

Retrieve column scale factor

Retrieve Number of Rows

getRowDualIptGLPK

Retrieve Row Dual Value

Retrieve Number of Binary Columns

getRowsStatGLPK

Retrieve Row Status of all Rows

getProbNameGLPK

Retrieve Problem Name

Retrieves Row i of the Constraint Matrix.

Retrieve Row Dual Value

getRowLowBndGLPK

Retrieve Row Lower Bound

getRowsTypesGLPK

Retrieve Types of Specified Constraints (Rows)

glpkAPI-package

R Interface to C API of GLPK

Constants, Return and Status Codes of GLPK

Retrieve row scale factor

getRowsDualIptGLPK

Retrieve Row Dual Value of all Rows

Write Interior-Point Solution in Printable Format

Retrieve Row Index in the Basis Header

getRowsLowBndsGLPK

Retrieve Lower Bounds of Specified Rows

getRowsPrimGLPK

Retrieve Row Primal Value of all Rows

Create a GLPK Problem Object

Class "glpkPtr"

getRowsPrimIptGLPK

Retrieve Row Primal Value of all Rows

Write Interior-Point Solution in Printable Format

Retrieve Row Name

Retrieve Row Type

getRowsUppBndsGLPK

Retrieve Upper Bounds of Specified Rows

Read Problem Data in MPS Format

Read MIP Solution From Text File

getSimplexParmGLPK

Retrives the Control Parameters for the Simplex Method.

Read Problem Data in CPLEX LP Format

Read Interior-Point Solution From Text File

Retrieve Column Value of all Columns

Retrieve Row Status

Retrieve Row Primal Value

mplFreeWkspGLPK

Free Translator Workspace

mplBuildProbGLPK

Build Problem Instance From Model

getRowPrimIptGLPK

Retrieve Row Primal Value

getSolStatIptGLPK

Determine Solution Status

Set/Change Column Bounds

Change Basis Factorization Control Parameters

return_codeGLPK

Translates a GLPK Return Code into a Human Readable String

Retrieve Objective Value

Set (Replace) Row of the Constraint Matrix

mplReadDataGLPK

Read and Translate Data Section

mplReadModelGLPK

Read and Translate Model Section

Load/Replace the Whole Constraint Matrix

Set (Replace) Column of the Constraint Matrix

Retrieve Column Value

Set/Change Optimization Direction Flag

Determine Status of MIP Solution

mplAllocWkspGLPK

Allocate Translator Workspace

setSimplexParmGLPK

Sets/Changes Control Parameters or the Simplex Methods.

setDefaultMIPParmGLPK

Sets the Default Control Parameters for the MIP Method

Set Column Kind

Solve MIP Problem with the Branch-and-Cut Method

setDefaultSmpParmGLPK

Sets the Default Control Parameters for the Simplex Methods.

Retrieve column scale factor

solveInteriorGLPK

Solve LP Problem with the Interior-Point Method

Read Problem Data in GLPK F ormat

Write Basic Solution to Text File

Set/Change Column Name

Retrieve Row Value

getUnbndRayGLPK

Determine Variable Causing Unboundedness

Retrieve Row Value of all Rows

Read Basic Solution From Text File

Set column status

Set/Change Objective Coefficient or Constant Term

setObjCoefsGLPK

Set/Change Objective Coefficients and/or Constant Term

Scale Problem Data

Set row scale factor

setColsBndsObjCoefsGLPK

Set/Change Column Bounds and Objective Coefficients and/or Constant Term

solveSimplexGLPK

Solve LP Problem with the Primal or Dual Simplex Method

mplGenerateGLPK

Generate the Model

Set/Change Row Bounds

setColsKindGLPK

Set Column Kind for a Set of Columns

Set/Change all Row Bounds to Zero

Sets/Changes Control Parameters or the MIP Methods

Write Problem Data in CPLEX LP Format

Set/Change Objective Function Name

solveSimplexExactGLPK

Solve LP Problem in Exact Arithmetic

mplPostsolveGLPK

Postsolve Model

Write MIP Solution to Text File

setProbNameGLPK

Set/Change Problem Name

Contruct Standard Initial LP Basis

setRowsBndsGLPK

Set/Change Row Bounds

Enable/Disable Terminal Output

setInteriorParmGLPK

Sets/Changes Control Parameters or the Interior-point Method.

setColsBndsGLPK

Set/Change Column Bounds

Determine GLPK Callable Library Version

Warm Up LP Basis

setRowsNamesGLPK

Set/Change Row Names

Write Interior-Point Solution to Text File

unscaleProbGLPK

Problem unscaling

Set/Change Row Name

Write Basic Solution in Printable Format

setDefaultIptParmGLPK

Sets the Default Control Parameters for the Interior-point Method.

setColsNamesGLPK

Set/Change Column Names

printRangesGLPK

Print Sensitivity Analysis Report

status_codeGLPK

Translates a GLPK Status Value into a Human Readable String

Sort Elements of the Constraint Matrix

Write Problem Data in GLPK Format

Write Problem Data in MPS Format

createIndexGLPK

Create the Name Index

Check if the basis factorization has been updated

Check for Duplicate Elements in Sparse Matrix

Delete Columns from Problem Object

Add Columns to a GLPK Problem Object

Construct Bixby's initial LP basis

Copy problem object content

Add Rows to a GLPK Problem Object

Contruct Advanced Initial LP Basis