rgurobi: Solve optimisation problems using Gurobi

#' rgurobi: Solve optimisation problems using Gurobi
#'
#' Solve optimisation problems using the commerical 'Gurobi' software package (obtained from <http://www.gurobi.com/>). This package provides similar functionality to the official gurobi R package (see <http://www.gurobi.com/products/modeling-languages/r>). However, this package allows users to retrive multiple solutions after solving a problem. Note that this package does not support quadratic expressions.
#'
#' Type \code{vignette('rgurobi')} for a tutorial on how to use this package.
#'
#' @docType package
#' @name rapr
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