# This is data to be used in homework assignment 2.
# Intro to R course; Notre Dame; Fall 2007

x1 <- c(1,3,3,4,6,3,5,8,8,8,5,10,12)

a <- c(-1, 0, 0, 2, -3, 4, 1, 1, 5, -2, -2, 0, -1, 2, -2, 4)

X <- matrix(a, nrow=4, ncol=4)

print("The variables defined here are X and x1")