Initial data commit

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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 +1,20 @@
define forward_difference(l);
lvars res = [], prev, el;
if l = [] then
return([]);
endif;
front(l) -> prev;
for el in back(l) do
cons(el - prev, res) -> res;
el -> prev;
endfor;
rev(res);
enddefine;
define nth_difference(l, n);
lvars res = l, i;
for i from 1 to n do
forward_difference(res) -> res;
endfor;
res;
enddefine;