7.23.3 Can you answer these questions?

7.23.3.1 Finding the shared edged between two polygons

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=250469

Imagine I have two convex polygons  pol1  and  pol2  with a shared edge. Take, as an example, 
... 
[regions] [geometry] [intersection] [polygons]
 

asked by sam wolfe https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=64001 1 vote

7.23.3.2 Alternatives to NumericQ that allow symbols to be considered numeric

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=250433

I am writing a program in which I am using NumericQ. I am trying to allow symbols to also be considered Numeric, so I have been using  NumericQ[a]=True  for all of ... 
[numerics] [symbolic] [symbols]
                                                                                  

                                                                                  
 

asked by Davis Ellis https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=80823 1 vote

7.23.3.3 How to set up a boundary condition on the diagonal of a region that restricts a partial derivative?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=250438

The problem is to solve the Laplace equation on a polygon with one of the boundary conditions specifying derivative on the boundary. Let us consider a polygon region. 
... 
[differential-equations] [equation-solving] [finite-element-method] [boundary-conditions]
 

asked by Alexey Kushnir https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=79585 1 vote