balldim
-dimensional ball
with diameter R by a $spacedim$-dimensional
hyperplane that has uniform
distance from the center.RRspheric(spacedim, balldim, R)
RFoptions(seed=0) ## *ANY* simulation will have the random seed 0; set
## RFoptions(seed=NA) to make them all random again
hist(RFrdistr(RRspheric(balldim=2), n=1000), 50)
FinalizeExample()
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