Initial data commit

This commit is contained in:
Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 72d218235f
commit f23f22d71c
199087 changed files with 3378941 additions and 0 deletions

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@ -0,0 +1,7 @@
fun forward_difference xs = ListPair.map op- (tl xs, xs)
fun nth_forward_difference n xs =
if n = 0 then
xs
else
nth_forward_difference (n-1) (forward_difference xs)