1\name{is.ipoptr} 2\alias{is.ipoptr} 3\title{ 4R interface to Ipopt 5} 6\description{ 7is.ipoptr preforms checks to see if a fully specified problem is supplied to ipoptr. Mostly for internal use. 8} 9\usage{ 10is.ipoptr( x ) 11} 12%- maybe also 'usage' for other objects documented here. 13\arguments{ 14 \item{x}{ 15object to be tested. 16 } 17} 18\value{ 19 Logical. Return TRUE if all tests were passed, otherwise return FALSE or exit with Error. 20} 21\references{ 22A. Waechter and L. T. Biegler, On the Implementation of a Primal-Dual Interior Point Filter Line Search Algorithm for Large-Scale Nonlinear Programming, Mathematical Programming 106(1), pp. 25-57, 2006 23} 24\author{ 25Jelmer Ypma 26} 27\seealso{ 28\code{\link[ipoptr:ipoptr]{ipoptr}} 29\code{\link[ipoptr:print.sparseness]{print.sparseness}} 30} 31 32% Add one or more standard keywords, see file 'KEYWORDS' in the 33% R documentation directory. 34\keyword{ optimize } 35\keyword{ interface } 36