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Uniform sampling in an annulus (dimension 2).
runif_in_annulus(n, O, r1, r2)
The simulations in a n times 2 matrix.
n
2
number of simulations
center of the annulus
inner radius
outer radius
sims <- runif_in_annulus(100, c(0, 0), 1, 2) plot(sims, xlim = c(-2, 2), ylim = c(-2, 2), asp = 1, pch = 19)
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