8.14.3 Can you answer these questions?

8.14.3.1 Can I make a VectorPlot with a domain defined by an InterpolatingFunction?
8.14.3.2 Data munging Mathematica Dataset object
8.14.3.3 Numerically solving nonlinear PDE $u_t = G(u,u_y,u_ xy ,u_ xx u_ yy )$ with unbounded initial condition
8.14.3.1 Can I make a VectorPlot with a domain defined by an InterpolatingFunction?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=267447

I'd like to plot a vector field in a custom domain; I can do this using ImplicitRegion and a straightforward function. However, when I replace the function with an InterpolatingFunction I get a ... 
[plotting] [interpolation]
 
asked by Seth Price https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=76022 Score of 1
8.14.3.2 Data munging Mathematica Dataset object

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=267478

I struggle to use Mathematica's Dataset object.  I like the descending and ascending query operators construct and I try to manipulate my simple tabular data using this approach.  However, I am not a ... 
[dataset]
 
asked by George Ellis https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=10817 Score of 1
8.14.3.3 Numerically solving nonlinear PDE $u_t = G(u,u_y,u_ xy ,u_ xx u_ yy )$ with unbounded initial condition

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=267366

I am trying to numerically solve some nonlinear partial differential equations similar to the example given below, for which I have been unable to obtain stable numerical solutions due to some ... 
[differential-equations] [numerics] [series-expansion] [nonlinear] [boundary-condition-at-infinity]
 
asked by bbrink https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=86034 Score of 4
answered by Alex Trounev https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=58388 Score of 0