Sample uniformly on a circle centered at zero with radius 1.

Question

Chris · Accepted Answer

randomly choose points in the rectangular from (-1,-1) to (1,1) and delete those points that fall out of the circle by checking x^2 + y^2 <=1.

mike · Answer

randomly generate an integer X.

we know that cos(X)^2 + sin(X)^2 = 1, so just use xx = cos(X) and yy = sin(X)

I think that was the whole point of the question (and I don't like it very much)

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