\name{setdiffMatrix}
\alias{setdiffMatrix}
\title{ setdiffMatrix shortens Matrix2Curt by those rows that are in both matrices.}
\arguments{
\item{Matrix2Curt[n,k]}{matrix, which will be shortened by x rows}
\item{Matrix2compare[m,k]}{matrix whose rows will be compared to those of Matrix2Curt x rows in Matrix2compare equal rows of Matrix2Curt (order of rows is irrelevant). Has the same number of columns as Matrix2Curt.}
}
\value{V$CurtedMatrix[n-x,k]           Shortened Matrix2Curt}
\description{
 setdiffMatrix shortens Matrix2Curt by those rows that are in both matrices.}
\author{
CL,MT 12/2014}