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5 votes
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Draw number spirals

Clear[g] g[0] = {}; g[x_] := g[x] = With[{mo = Mod[x, 2] + 1}, {Append, Prepend}[[mo]][ MapIndexed[{Append, Prepend}[[mo]][#, #2[[1]] + (x - 1)^2 + (-2 #2[[1]] + x) (mo - 1 …
azerbajdzan's user avatar
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2 votes

Lattices drawings

vl = Range[4]; svl = vl[[{1, -1}]]; el = UndirectedEdge @@@ Partition[vl, 2, 1, 1]; coo = {{0, 0}, {1, 0}, {1 + 1/Sqrt[2], 1/Sqrt[2]}, {1/Sqrt[2], 1/Sqrt[ 2]}}; n = 3; nvl = Table[vl /. x_?Numeri …
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2 votes
Accepted

generate right triangles of different measures with an unknown data

triangle[] := Module[{x, y, z, r, rep}, x = RandomInteger[{1, 20}]; If[RandomInteger[{1, 2}] == 1, y = RandomInteger[{x, Min[6 x, 20]}], z = RandomInteger[{x + 1, Min[6 x, 20]}]]; r = {Rotatio …
azerbajdzan's user avatar
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