19 Dec
2020
19 Dec
'20
8:27 a.m.
What version is needed? I've got Mathematica 11.3 and it says "no value associated with the specified arguments". On Fri, Dec 18, 2020, 23:22 ed pegg <ed@mathpuzzle.com> wrote:
In Mathematica GraphData[{"UnitDistance", {21, 2}}]
Is that a rigid graph? If so, it uses just 42 unit rods, beating the record at https://erich-friedman.github.io/mathmagic/0100.html
_______________________________________________ math-fun mailing list math-fun@mailman.xmission.com https://mailman.xmission.com/cgi-bin/mailman/listinfo/math-fun