https://github.com/cran/fda
Tip revision: 52a4b636dd74475964d17920308f4b3a550dd599 authored by James Ramsay on 09 March 2024, 03:50:02 UTC
version 6.1.8
version 6.1.8
Tip revision: 52a4b63
is.Lfd.Rd
\name{is.Lfd}
\alias{is.Lfd}
\title{
Confirm Object has Class "Lfd"
}
\description{
Check that an argument is a linear differential operator object.
}
\usage{
is.Lfd(Lfdobj)
}
\arguments{
\item{Lfdobj}{
an object to be checked.
}
}
\value{
a logical value:
\code{TRUE} if the class is correct, \code{FALSE} otherwise.
}
\references{
Ramsay, James O., Hooker, Giles, and Graves, Spencer (2009),
\emph{Functional data analysis with R and Matlab}, Springer, New York.
Ramsay, James O., and Silverman, Bernard W. (2005),
\emph{Functional Data Analysis, 2nd ed.}, Springer, New York.
Ramsay, James O., and Silverman, Bernard W. (2002),
\emph{Applied Functional Data Analysis}, Springer, New York.
}
\seealso{
\code{\link{is.basis}},
\code{\link{is.fd}},
\code{\link{is.fdPar}}
}
\keyword{smooth}