9.18.3 Can you answer these questions?

9.18.3.1 Implementing and testing boundary conditions in polar coordinates for convection-diffusion equation
9.18.3.2 "ParticleData[] " command $Failed
9.18.3.3 Random Seed and Parallelization in Compiled Functions
9.18.3.1 Implementing and testing boundary conditions in polar coordinates for convection-diffusion equation

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=285367

I am modeling a system using the convection-diffusion equation on a 2D, radially symmetric space. I wanted to do some sanity checks to make sure I am coding it correctly. I set up a situation where I ... 
[differential-equations] [numerical-integration] [boundary-conditions] [modeling]
 
asked by BioPhysicist https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=42243 Score of 1
answered by Roland F https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=92018 Score of 0
9.18.3.2 "ParticleData[] " command $Failed

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=285388

I am using Mathematica version 13.2. I am trying to use Mathematica's "ParticleData" command to get the information about the particles directly from PDG. But, whenever I am trying to ... 
[physics] [built-in-symbols]
 
asked by Lipika https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=92830 Score of 1
9.18.3.3 Random Seed and Parallelization in Compiled Functions

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=285505

I am having trouble reproducing a random number from a compiled function with parallelization even with the random seed being set. 
Specifically, running the following script should give the same value ... 
[parallelization] [random] [compile]
 
asked by Kohei https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=92877 Score of 1