This commit is contained in:
Ingy döt Net 2013-04-10 21:29:02 -07:00
parent 764da6cbbb
commit db842d013d
19005 changed files with 197040 additions and 7 deletions

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upper.tri(1:12 %o% 1:12, diag = TRUE) * 1:12 %o% 1:12

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multiplication_table <- function(n=12)
{
one_to_n <- 1:n
x <- matrix(one_to_n) %*% t(one_to_n)
x[lower.tri(x)] <- 0
rownames(x) <- colnames(x) <- one_to_n
print(as.table(x), zero.print="")
invisible(x)
}
multiplication_table()