TITLE(crossprod @@ Matrix Crossproduct)
USAGE(
crossprod(x, y=x)
)
ALIAS(crossprod)
DESCRIPTION(
Given matrices LANG(x) and LANG(y) as arguments,
LANG(t) returns their matrix cross-product.
This is formally equivalent to, but faster than, the
call LANG(t(x) %*% y).
)

