7.19.3 Can you answer these questions?

7.19.3.1 Adding a new statisitical distribution

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=246936

What would I need to define to add a new statistical distribution to Mathematica? 
Ideally, it would support as many of Mathematica's statistical functions as possible. 
In practice, this might most ... 
[probability-or-statistics]
 

asked by mikado https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=36788 3 votes

7.19.3.2 Non linear PDE solution

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=246824

Could someone advise if it is possible to solve the following PDE with Mathematica? I am quite a beginner in Mathematica so any input would be highly appreciated. 
$\displaystyle\frac{1}{2} \sigma^2\... 
[differential-equations] [numerics]
 

asked by Mary_n https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=80251 1 vote

7.19.3.3 Generating a weighted oriented lattice

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=247079

I have a periodic lattice, and I would like to associate some phase parameters connecting to the neighbors that can be thought of as a hopping parameter. 
Now the choice of these phase parameters is ... 
[matrix] [graphs-and-networks] [code-request] [lattices]
 

asked by Shamina https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=43387 3 votes