Skip to main content

Timeline for Bug in density function

Current License: CC BY-SA 4.0

11 events
when toggle format what by license comment
Jul 31, 2021 at 18:49 answer added JimB timeline score: 7
Jul 30, 2021 at 5:07 vote accept user64494
Jul 29, 2021 at 18:57 answer added bRost03 timeline score: 17
Jul 29, 2021 at 8:09 comment added Szabolcs If you found an obvious bug, you should report it to Wolfram Support.
Jul 28, 2021 at 21:00 history tweeted twitter.com/StackMma/status/1420489251452604420
Jul 28, 2021 at 14:46 history edited user64494
edited tags
Jul 28, 2021 at 11:37 comment added user64494 The results of b = CDF[TransformedDistribution[ x^2 + y^2 + z^2, {x \[Distributed] UniformDistribution[{-1, 2}], y \[Distributed] UniformDistribution[{-1, 2}], z \[Distributed] UniformDistribution[{-1, 2}]}], t] in 10571. sec and Plot[b, {t,-1,13},PlotStyle->Thick] are even worse.
Jul 28, 2021 at 10:39 comment added user64494 @flinty: Thank you for your interest to the question. Indeed, the plot should be similar to the histgram of Norm[#]^2 & /@RandomVariate[UniformDistribution[{{-1, 2}, {-1, 2}, {-1, 2}}], 10000000]. Yes, Mathematica produces the correct result in two dimensions.
Jul 28, 2021 at 9:59 comment added flinty Also worth noting that removing a dimension (e.g z) produces a correct result for 2D.
Jul 28, 2021 at 9:54 comment added flinty What it should look like for reference: dist = HistogramDistribution[ Norm[#]^2 & /@ RandomVariate[UniformDistribution[{{-1, 2}, {-1, 2}, {-1, 2}}], 10000000] , 250]; Plot[PDF[dist, t], {t, -1, 13}, PlotStyle -> Thick, Exclusions -> None, PlotRange -> All]
Jul 28, 2021 at 6:51 history asked user64494 CC BY-SA 4.0