11.23.3 Can you answer these questions?

11.23.3.1 How to reduce the size of the output `InterpolatingFunction` from `NDSolve`?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=314312

This is my codes to calculate a wave equation by  NDSolveValue : 
... 
[differential-equations] [performance-tuning] [numerics] [finite-element-method] [interpolation]
 

asked by Jie Zhu https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=41696 Score of 1

11.23.3.2 Why does NDSolve fail or slow down when simulating a driven JC model with time-dependent terms, even when the drive is off?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=314336

I'm performing a numerical check of an effective Hamiltonian transformation applied to a driven JaynesCummings (JC) model. After applying a rotating frame transformation and rotating-wave ... 
[differential-equations] [equation-solving] [mathematical-optimization] [quantum-computing]
 

asked by gang liu https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=87691 Score of 1

11.23.3.3 Mathematica demonstration of the expected volume of a random polytope in a ball

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=314383

Related MSE post 
 
I'm trying to make Mathematica demonstration of the paper The expected volume of a random polytope in a ball. 
 
In the $d$-dimensional Euclidean space $E^d$ ($d \geq 2$), consider the ... 
[calculus-and-analysis] [probability-or-statistics] [code-review] [volume]
 

asked by Ahamad https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=106668 Score of 3