Translated cell(), added tests

man/cell.Rd

@@ -0,0 +1,19 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/cell.R
+\name{cell}
+\alias{cell}
+\title{Cell array}
+\usage{
+cell(n, sz = c(n, n), ...)
+}
+\arguments{
+\item{n}{a the first dimension (or both, if sz is not passed)}
+
+\item{sz}{the second dimension (or 1st and 2nd, if not passed)}
+}
+\value{
+An array of zeroes with the dimensions passed on call
+}
+\description{
+Creates an array of zeros
+}