belisarius
Reputation
69,906
183/100 score
 Nov10 revised Visualizing Line Integrals added 52 characters in body Nov10 answered Visualizing Line Integrals Nov10 revised Different results for NIntegrate for the same function using cartesian and polar coordinates added 12 characters in body Nov10 comment Visualizing Line Integrals Please try something. At least, write down your equations in Mathematica syntax. Nov10 answered List Density Plot Nov10 awarded fitting Nov10 revised Challenge — Defining an ORIGINAL second derivative function? edited tags Nov10 revised integral with Re[] function, need help deleted 138 characters in body Nov9 answered Different results for NIntegrate for the same function using cartesian and polar coordinates Nov9 comment Draw an arbitrary convex polyhedron without excess diagonals drawn @Anixx No way to test it here. Still on v9 Nov8 awarded Nice Answer Nov8 comment Plotting in Elliptical coordinate system What does it mean " This will defeat the purpose"? What is the "purpose"? Nov8 comment ListPlot with conditions Part II Could you please post what you would consider a "right" coloring of the last picture? Nov8 answered BSpline or other curve through arbitrary ordered sequence of two-dimensional points Nov7 answered RegionFunction generalized to plot a different colour/style for the largest expression Nov7 comment Graphs Plotting Discontinuous @MarkMcClure Thanks, answer updated. Please see the last paragraph Nov7 revised Graphs Plotting Discontinuous added 406 characters in body Nov7 comment Graphs Plotting Discontinuous @MarkMcClure b[k_?NumericQ] := Eigenvalues[H /. ka -> k]; Plot[Quiet@Table[b[ka][[i]], {i, 6}], {(ka), -0.8, 0.8}, Evaluated -> True] Nov7 comment Combination of interpolations doesn't work? @gpap That's why I didn't post an answer :=) Nov7 comment Combination of interpolations doesn't work? f = Interpolation[Table[{x, Sin@x}, {x, 0, 2 Pi, 2 Pi/100}]];g[x_] := f'[x]/f[x]; Plot[{f@x, g[x]}, {x, 0, 2 Pi}]