RosettaCodeData/Task/Sierpinski-triangle-Graphical/Mathematica/sierpinski-triangle-graphical-1.math
2020-02-17 23:21:07 -08:00

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276 B
Text

Sierpinski[n_] :=
Nest[Join @@ Table[With[{a = #[[i, 1]], b = #[[i, 2]], c = #[[i, 3]]},
{{a, (a + b)/2, (c + a)/2}, {(a + b)/2, b, (b + c)/2}, {(c + a)/2, (b + c)/2, c}}],
{i, Length[#]}] &, {{{0, 0}, {1/2, 1}, {1, 0}}}, n]
Graphics[{Black, Polygon /@ Sierpinski[8]}]