Added rand function

man/rand.Rd

@@ -0,0 +1,19 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/rand.R
+\name{rand}
+\alias{rand}
+\title{Generate matrix with U(0, 1) trials}
+\usage{
+rand(r = 1, c = 1)
+}
+\arguments{
+\item{r}{number of rows of output matrix}
+
+\item{c}{number of columns of output matrix}
+}
+\value{
+\eqn{r \times c} matrix with random trials from a standard uniform distribution.
+}
+\description{
+Imitates the behavior of `rand()` on Matlab
+}