https://github.com/cran/RandomFields
Tip revision: e994a4415e67fa60cbfd3f208aaab20872521c0b authored by Martin Schlather on 14 February 2019, 21:02:19 UTC
version 3.3
version 3.3
Tip revision: e994a44
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}}.
}
\me
\seealso{
\command{\link{RMmodel}},
\link{S10}.
}
\keyword{spatial}
\keyword{models}
\examples{\dontshow{StartExample()}
# see S10
\dontshow{FinalizeExample()}
}