% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/GRCFE.R
\name{H_matrix}
\alias{H_matrix}
\title{Construct a reverse-identity matrix}
\usage{
H_matrix(p)
}
\arguments{
\item{p}{Integer matrix order.}
}
\value{
A \code{p} by \code{p} reverse-identity matrix.
}
\description{
Construct a reverse-identity matrix
}
\keyword{internal}
