User Portlet
Sam Carrettie
Freelancer
LOCATION: New York City
WEBSITE: http://wolfr.am/READ-1ST
INTERESTS IN JOBS & NETWORKING:
ABOUT ME:
Nice posts: http://wolfr.am/StaffPicks
I am a strong believer in RTFM: http://reference.wolfram.com/language
Coming together is a beginning; keeping together is progress; working together is success. ~ Henry Ford
n = 1000;
r := RandomInteger[{1, n}];
f := (#/(.01 + Sqrt[#.#])) & /@ (x[[#]] - x) &;
s := With[{r1 = r}, p[[r1]] = r; q[[r1]] = r];
x = RandomReal[{-1, 1}, {n, 2}];
{p, q} = RandomInteger[{1, n}, {2, n}];
Graphics[{PointSize[0.007], Dynamic[If[r < 100, s];
Point[x = 0.995 x + 0.02 f[p] - 0.01 f[q]]]}, PlotRange -> 2]
