sybil: getColsNames-methods – R documentation

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sybil

getColsNames-methods

Retrieve Variable Names

Description

Get names of variables (columns) used in a optimization problem.

Usage

## S4 method for signature 'optObj_cplexAPI,numeric'
getColsNames(lp, j)

## S4 method for signature 'optObj_glpkAPI,numeric'
getColsNames(lp, j)

## S4 method for signature 'optObj_lpSolveAPI,numeric'
getColsNames(lp, j)

Arguments

`lp`	An object extending class `optObj`.
`j`	A numeric vector of column indices.

Value

A character vector of column names, if names are existing.

Methods

signature(lp = "optObj_cplexAPI", j = "numeric"): method to use with package optObj_cplexAPI.
signature(lp = "optObj_glpkAPI", j = "numeric"): method to use with package optObj_glpkAPI.
signature(lp = "optObj_lpSolveAPI", j = "numeric"): method to use with package optObj_lpSolveAPI.

Note

For the optObj_glpkAPI method: the result vector may be shorter than j, if some names are missing.

Author(s)

Gabriel Gelius-Dietrich <geliudie@uni-duesseldorf.de>

Maintainer: Mayo Roettger <mayo.roettger@hhu.de>