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getRowsNames-methods.Rd 1.62 KiB
\name{getRowsNames-methods}
\docType{methods}
\encoding{utf8}
\alias{getRowsNames}
\alias{getRowsNames-methods}
\alias{getRowsNames,optObj_cplexAPI,numeric-method}
\alias{getRowsNames,optObj_glpkAPI,numeric-method}
\alias{getRowsNames,optObj_lpSolveAPI,numeric-method}
\title{Retrieve Constraint Names}
\description{
Get names of constraints (rows) used in a optimization problem.
}
\usage{
\S4method{getRowsNames}{optObj_cplexAPI,numeric}(lp, i)
\S4method{getRowsNames}{optObj_glpkAPI,numeric}(lp, i)
\S4method{getRowsNames}{optObj_lpSolveAPI,numeric}(lp, i)
}
\section{Methods}{
\describe{
\item{\code{signature(lp = "optObj_cplexAPI", i = "numeric")}}{
method to use with package \pkg{optObj_cplexAPI}.
}
\item{\code{signature(lp = "optObj_glpkAPI", i = "numeric")}}{
method to use with package \pkg{optObj_glpkAPI}.
}
\item{\code{signature(lp = "optObj_lpSolveAPI", i = "numeric")}}{
method to use with package \pkg{optObj_lpSolveAPI}.
}
}
}
\arguments{
\item{lp}{
An object extending class \code{\linkS4class{optObj}}.
}
\item{i}{
A numeric vector of row indices.
}
}
\value{
A character vector of row names, if names are existing.
}
\note{
For the \code{\linkS4class{optObj_glpkAPI}} method: the result vector may
be shorter than \code{i}, if some names are missing.
}
\author{
Gabriel Gelius-Dietrich <geliudie@uni-duesseldorf.de>
Maintainer: Claus Jonathan Fritzemeier <clausjonathan.fritzemeier@uni-duesseldorf.de>
}
\seealso{
Superclass \code{\linkS4class{optObj}} and constructor function
\code{\link{optObj}}.
}
\keyword{methods}
\keyword{optimize}