Rahul
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 9h comment Limitation of MMA in solving complicated functions? How do you change the call to A in NDSolve? You can't define a function as ϵr[γ_, ne_] := ... and still expect to call it as ϵr[z]. 10h revised Limitation of MMA in solving complicated functions? deleted 272 characters in body May 1 revised How to find the longest diagonal if you fold a piece of rectangular paper in half? deleted 12 characters in body Apr 29 awarded Nice Answer Apr 22 revised Getting ordered coordinates out of ConvexHullRegion deleted 9 characters in body Apr 21 answered Getting ordered coordinates out of ConvexHullRegion Apr 21 answered best way for finding approximate root of monotonic sawtooth like function Apr 18 comment How to make this 3-D Plot Transparent? What error do you get with Plot3D[fe[m, p], {m, -3, 3}, {p, -3, 3}]? Apr 18 comment How to make this 3-D Plot Transparent? By the way, why use SliceContourPlot3D when Plot3D will do? Apr 16 comment Why can't the Bernstein Bears work normally? I'm sorry, you've misspelt Berenstain. Apr 16 comment How to change the boundary condition near singularity Are you sure that a unique continuous solution even exists? To me this is like trying to solve $f'(x)=1/x^2$. Just because for $x<0$ you can find a solution $f(x)=-1/x+c_1$ and for $x>0$ you can find $f(x)=-1/x+c_2$ doesn't mean you can join them up into a single solution. Apr 9 comment How to fill a grid make its total be largest Very cool (+1). Can you say whether this is guaranteed to be the global maximum or not? Apr 9 comment Can I convert a 3-D plot into a 2-D plot? The reason you're not seeing any positive values in the graph is because the function doesn't take any positive values for the range you're plotting. Any reason you're not doing something like Plot3D[FreeEnergy, {M, -3, 3}, {P, -3, 3}] instead? Apr 2 comment Numerical integration plot Have you looked at the examples for NDSolve? Mar 31 comment How to make a disconnected graph to be 1-edge-connected(but not 2-edge-connected) with some shortest edge Is it necessary that the new edges form (conceptually) a cycle? Would it not be allowed for the bottom red edge to go from the bottom left component to the component above the bottom right one instead? Mar 24 awarded Nice Answer Mar 24 answered ContourPlot does not find contours that RegionPlot finds Mar 24 comment ContourPlot does not find contours that RegionPlot finds Interestingly, ContourPlot[0.000157223 10^(2 x - 2 y) == 100, {x, -6, -1}, {y, -6, -1}] does plot the contour. Mar 24 comment Is it possible to draw this figure using Mathematica? I don't think the original drawing is systematic in its choice of direction either, though. Mar 24 comment Is it possible to draw this figure using Mathematica? To deal with the rotation direction, you could replace every polygon p with RandomChoice[p, Reverse@p] before applying NestList.