https://github.com/cran/RandomFields
Tip revision: 6332d8d86088cebf6f828f1d29c71b8060f7e88b authored by Martin Schlather on 23 June 2016, 09:04:50 UTC
version 3.1.16
version 3.1.16
Tip revision: 6332d8d
RMrational.Rd
\name{RMrational}
\alias{RMrational}
\title{Rational function}
\description{
Defines a simple rational function.
\deqn{f(h) = (a_1 + a_2 z(h)) / (1 + z(h))}
where
\deqn{z(h) = h^\top A A^\top h}
}
\usage{
RMrational(A, a)
}
\arguments{
\item{A}{a \eqn{d \times d} matrix}
\item{a}{a vector of one or two components; the second component has
default value zero.}
}
\value{
\command{\link{RMrational}} returns an object of class \code{\link[=RMmodel-class]{RMmodel}}
}
\author{Martin Schlather, \email{schlather@math.uni-mannheim.de}
}
\seealso{
\command{\link{RMmodel}},
\link{S10}
}
\keyword{spatial}
\keyword{models}
\examples{
# see S10
\dontshow{FinalizeExample()}
}