Learn R Programming

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 .

Copy Link

Version

Install

install.packages('glpkAPI')

Monthly Downloads

1,534

Version

1.3.4

License

GPL-3 | file LICENSE

Maintainer

Last Published

November 10th, 2022

Functions in glpkAPI (1.3.4)

createIndexGLPK

Create the Name Index

Retrieve Column Dual Value

getColsStatGLPK

Retrieve Column Status of all Columns

getColDualIptGLPK

Retrieve Column Dual Value

getColsUppBndsGLPK

Retrieve Upper Bounds of Specified Columns

Copy problem object content

Construct Bixby's initial LP basis

deleteIndexGLPK

Delete the Name Index

Contruct Advanced Initial LP Basis

Check if the basis factorization exists

Retrieve Column Index in the Basis Header

Retrieve Basis Header Information

Retrieve Column Name

Retrieve Optimization Direction Flag

Retrieve Objective Function Name

Retrieve Basis Factorization Control parameters

Retrieve Column Status

Retrieve Row Status

Erase problem object content

getColPrimIptGLPK

Retrieve Column Primal Value

Retrieves Column j of the Constraint Matrix.

getPrimStatGLPK

Retrieve Status of Primal Basic Solution

getColsKindGLPK

Retrieve Column Kind

Retrieve Row Type

Retrives the Control Parameters for MIP.

getColsPrimGLPK

Retrieve all Column Primal Values

getColsLowBndsGLPK

Retrieve Lower Bounds of Specified Columns

Retrieve Column Primal Value

getColsPrimIptGLPK

Retrieve all Column Primal Values

Retrieve the Number of Constraint Coefficients

getObjCoefsGLPK

Retrieve Objective Coefficients at Specified Columns and/or Constant Term

getRowLowBndGLPK

Retrieve Row Lower Bound

Add Rows to a GLPK Problem Object

Find Column by its Name

Retrieve Row Dual Value

Add Columns to a GLPK Problem Object

Retrieve Objective Coefficient or Constant Term

Retrieve Row Name

getProbNameGLPK

Retrieve Problem Name

Retrieve Number of Rows

getRowDualIptGLPK

Retrieve Row Dual Value

getSolStatIptGLPK

Determine Solution Status

Retrieve Column Value of all Columns

Retrieve Column Kind

Compute the basis factorization

Retrieve Objective Value

getRowUppBndGLPK

Retrieve Row Upper Bound

getRowsDualGLPK

Retrieve Row Dual Values of all Rows

getUnbndRayGLPK

Determine Variable Causing Unboundedness

Retrieve Row Value of all Rows

Retrieve Row Value

getColLowBndGLPK

Retrieve Column Lower Bound

Retrieves Row i of the Constraint Matrix.

getDualStatGLPK

Retrieve Status of Dual Basic Solution

getRowsDualIptGLPK

Retrieve Row Dual Value of all Rows

getInteriorParmGLPK

Retrives the Control Parameters for the Interior-point Method.

getRowsLowBndsGLPK

Retrieve Lower Bounds of Specified Rows

getRowsPrimGLPK

Retrieve Row Primal Value of all Rows

Check if the basis factorization has been updated

Retrieve Column Value

mplBuildProbGLPK

Build Problem Instance From Model

Determine Generic Status of the Basic Soluton

Delete Problem Object

Retrieve Number of Binary Columns

Load/Replace the Whole Constraint Matrix

Retrieve column scale factor

Retrieve Column Type

getRowsPrimIptGLPK

Retrieve Row Primal Value of all Rows

mplReadDataGLPK

Read and Translate Data Section

Delete Rows from Problem Object

Check for Duplicate Elements in Sparse Matrix

mplReadModelGLPK

Read and Translate Model Section

Read Problem Data in GLPK F ormat

Read Basic Solution From Text File

mplFreeWkspGLPK

Free Translator Workspace

getColUppBndGLPK

Retrieve Column Upper Bound

Class "glpkPtr"

Set/Change Column Name

getColsDualGLPK

Retrieve Column Dual Value of all Columns

Read MIP Solution From Text File

Read Problem Data in MPS Format

Set Column Kind

getColsDualIptGLPK

Retrieve Column Dual Value of all Columns

Retrieve Number of Integer Columns

Retrieve Row Index in the Basis Header

setRowsBndsGLPK

Set/Change Row Bounds

Retrieve Number of Columns

Retrieve Objective Value

setObjCoefsGLPK

Set/Change Objective Coefficients and/or Constant Term

Contruct Standard Initial LP Basis

setRowsNamesGLPK

Set/Change Row Names

getObjValIptGLPK

Retrieve Objective Value

Write Basic Solution in Printable Format

getSimplexParmGLPK

Retrives the Control Parameters for the Simplex Method.

Enable/Disable Terminal Output

Change Basis Factorization Control Parameters

Set/Change Objective Coefficient or Constant Term

printRangesGLPK

Print Sensitivity Analysis Report

Sets/Changes Control Parameters or the MIP Methods

getRowsUppBndsGLPK

Retrieve Upper Bounds of Specified Rows

Create a GLPK Problem Object

Retrieve row scale factor

Retrieve Row Primal Value

getRowsStatGLPK

Retrieve Row Status of all Rows

getRowPrimIptGLPK

Retrieve Row Primal Value

setInteriorParmGLPK

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

mplGenerateGLPK

Generate the Model

Determine Status of MIP Solution

Set/Change Column Bounds

getRowsTypesGLPK

Retrieve Types of Specified Constraints (Rows)

glpkAPI-package

R Interface to C API of GLPK

Read Problem Data in CPLEX LP Format

mplPostsolveGLPK

Postsolve Model

mplAllocWkspGLPK

Allocate Translator Workspace

setDefaultMIPParmGLPK

Sets the Default Control Parameters for the MIP Method

setColsBndsGLPK

Set/Change Column Bounds

Read Interior-Point Solution From Text File

Set (Replace) Column of the Constraint Matrix

Set row scale factor

Set/Change Objective Function Name

setColsKindGLPK

Set Column Kind for a Set of Columns

Set column status

setColsBndsObjCoefsGLPK

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

Set/Change Row Bounds

setDefaultSmpParmGLPK

Sets the Default Control Parameters for the Simplex Methods.

Set/Change Optimization Direction Flag

Write Interior-Point Solution in Printable Format

Constants, Return and Status Codes of GLPK

status_codeGLPK

Translates a GLPK Status Value into a Human Readable String

Write Basic Solution to Text File

setProbNameGLPK

Set/Change Problem Name

Set/Change all Row Bounds to Zero

Write Interior-Point Solution in Printable Format

Sort Elements of the Constraint Matrix

Write Problem Data in CPLEX LP Format

solveInteriorGLPK

Solve LP Problem with the Interior-Point Method

Write MIP Solution to Text File

Solve MIP Problem with the Branch-and-Cut Method

Write Problem Data in MPS Format

Set/Change Row Name

Scale Problem Data

setColsNamesGLPK

Set/Change Column Names

solveSimplexExactGLPK

Solve LP Problem in Exact Arithmetic

return_codeGLPK

Translates a GLPK Return Code into a Human Readable String

Write Problem Data in GLPK Format

setSimplexParmGLPK

Sets/Changes Control Parameters or the Simplex Methods.

solveSimplexGLPK

Solve LP Problem with the Primal or Dual Simplex Method

Warm Up LP Basis

Write Interior-Point Solution to Text File

setDefaultIptParmGLPK

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

Set (Replace) Row of the Constraint Matrix

unscaleProbGLPK

Problem unscaling

Retrieve column scale factor

Determine GLPK Callable Library Version

Find Row by its Name

Delete Columns from Problem Object