Bug fixed in 10.4.
Why does RegionPlot
of the ImplicitRegion
give an incorrect plot? Also, will how does this affect calculations with ImplicitRegion
(i.e. if the plot is incorrect are calculations using it also incorrect)?
RegionPlot[ImplicitRegion[x^3 <= y <= x^2, {{x, 0, 1}, y}]]
gives,
When it should give this,
Plot[{x^2, x^3}, {x, 0, 1}, PlotStyle -> Blue, Filling -> {1 -> {2}}, AspectRatio -> Automatic]
I think it is not reliable as look at what it does in Plot3D
Plot3D[x + y, {x, y} \[Element] ImplicitRegion[x^3 <= y <= x^2, {{x, 0, 1}, y}]]
When expecting this,
Plot3D[x + y, {x, 0, 1}, {y, 0, 1},
RegionFunction -> Function[{x, y, z}, x^3 <= y <= x^2 \[And] 0 <= x <= 1],
PlotPoints -> 100]
Am I doing it wrong or is this a bug?
The ImplicitRegion
plots work in 10.2 Win 7 Pro 64bit but not in 10.3 Win 7 Pro 64bit. Can others confirm this is a 10.3 bug?
Confirmed "regression in our Region functionality" from WRI for version 10.3 with [CASE:3485986].