george2079
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 Nov 12 comment Where do the radicals end? I can think of three "sensible" conventions, radical applies to one symbol, applies to remainder of term, or applies to everything to the right. Probably just as easy to check by hand as to write code to test those.. On the other hand to check every permutation of where you might stick parentheses ( Sqrt[ 2 g - 5 f] ? ) thats a real challenge (note the same ambiguity exists in the multiple choice answers ) Nov 12 revised Draw lines between all neighbours added 49 characters in body Nov 12 answered Draw lines between all neighbours Nov 12 comment Draw lines between all neighbours Delaunay may be what he really wants, but is not the same as simply connecting n nearest neighbors. Nov 12 comment Fitting to the system of equations with no analytical solution try to define a function voc2[s_?NumericQ]:= FindRoot[s==Jo1..etc..] and then you will need to use NonLinearModelFit Nov 12 revised Why do the boundaries from RegionPlot not match the contours from ContourPlot? edited body Nov 12 answered Why do the boundaries from RegionPlot not match the contours from ContourPlot? Nov 10 answered Filling between multivalued curve and normal curve Nov 10 comment Solving a second order ODE numerically If you have solved this you should post the solution as an answer. Nov 10 comment Numerical integration with parameter and plot hint start with f[phi_?NumericQ]:=NIntegrate.. then plot f. Nov 10 comment Can anyone explain this weird Plot3D error? just because we understand the root cause doesn't make it "not-an-error". Nov 9 revised intersection between polygon. Algorithm to check it deleted 17 characters in body Nov 9 answered intersection between polygon. Algorithm to check it Nov 9 comment What is the difference between a .wl package and a .m package? avoiding collision with matlab is a very good / welcome reason! Nov 8 comment How can I run a cron scheduled task in Mathematica? why dont you just use cron rather than leave mathematica running all the time to do that job? Nov 7 comment Can anyone explain this weird Plot3D error? the prettiest bug ever ! Nov 6 comment Can anyone explain this weird Plot3D error? A simpler example: L = 50; x = Table[{0, 0}, {n, 1, L}]; x3D[n_] := Last@x[[Ceiling[n]]]; Plot[x3D[n], {n, 0, 50}, Axes -> False] Nov 6 comment Can anyone explain this weird Plot3D error? yes I'm puzzled .. If you do X[[Max[1, Round[Sqrt[n^2 + m^2]]]]] the error goes away but you still get the odd pattern. If you do X3D[n_?NumericQ, m_?NumericQ] := it goes away. Nov 6 comment Can anyone explain this weird Plot3D error? whenever Sqrt[n^2+m^2]<1/2 you have X[[0]] Nov 6 comment apply binary operation to all adjacent pairs something like this? f @@ list[[# ;; # + 1]] & /@ Range[Length[list] - 1]