4.17.3 Can you answer these questions?

4.17.3.1 Quality of RegionIntersection[]: How to control?

https://mathematica.stackexchange.com/questions/144270/quality-of-regionintersection-how-to-control

 
This code produces a crude intersection. 
 
a = {-1/2, -1/2, -1/2}; 
b = {1/2, 1/2, 1/2}; 
R = RegionIntersection[Ball[a, 1], Ball[b, 1]]; 
Region[R] 
 
 
 
 
 
How can I control the quality so that the  ...
 

- asked by Joseph O'Rourke 4votes

4.17.3.2 Why ReadList ignores NullRecords for Number?

https://mathematica.stackexchange.com/questions/144149/why-readlist-ignores-nullrecords-for-number

 
When thinking on this recent question the immediately obvious solution which came to my mind was to use ReadList with options RecordLists -> True and NullRecords -> True for reading objects of  ...
                                                                                  

                                                                                  
 

- asked by Alexey Popkov 5votes

4.17.3.3 Why does the domain of an interpolating function not match the corresponding ParametricNDSolve solution range?

https://mathematica.stackexchange.com/questions/144355/why-does-the-domain-of-an-interpolating-function-not-match-the-corresponding-par

 
Question 
 
I had believed - and mostly observed - that when I use ParametricNDSolve the obtained ParametricFunctions given as the solution to some ODE or DAE will be translated into  ...
 

- asked by gwr 3votes

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