10.43.1 Top new questions this week

10.43.1.1 DSolve gives zero for wave equation with inhomogeneous term involving trigonometric function
10.43.1.2 Minimum is always transparent in ListDensityPlot3D
10.43.1.3 Equality test of two hyperbolic expressions
10.43.1.4 Partially parallel compiled code
10.43.1.5 NMinimize too slow
10.43.1.6 How do I restart kernel programmatically?
10.43.1.7 How to make the spacing between these circles consistent?
10.43.1.1 DSolve gives zero for wave equation with inhomogeneous term involving trigonometric function

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=309630

Bug introduced after 13.3, persisting through 14.1. 
Report to WRI [CASE:5209965] 
 
I encountered difficulties while using  DSolve  to solve an exercise from the ... 
[differential-equations] [bugs]
 
asked by lotus2019 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=69835 Score of 7
answered by xzczd https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1871 Score of 11
10.43.1.2 Minimum is always transparent in ListDensityPlot3D

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=309606

Here is a minimal example of what I'm struggling with. The following code: 
 ListDensityPlot3D[{{{0, 1}, {1, 0}}, {{1, 0}, {0, 1}}}, OpacityFunction -> 1] 
 
gives ... 
[plotting] [graphics3d] [color] [implementation-details] [opacity]
 
asked by Vilas Winstein https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=104898 Score of 5
answered by xzczd https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1871 Score of 4
10.43.1.3 Equality test of two hyperbolic expressions

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=309624

I am trying to compare two expressions to see whether they are equal using approximations: 
$$\coth \left(\frac{\pi }{4}\right)+\frac{1}{2} \text{csch}^2\left(\frac{\pi }{4}\right),$$ 
$$\sum _{k=1}^{\... 
[calculus-and-analysis] [numerics] [trigonometry]
 
asked by capea https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=9386 Score of 4
answered by Roman https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=26598 Score of 12
10.43.1.4 Partially parallel compiled code

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=309559

I am working with a series of expressions of the following type: 
... 
[compile] [function-compile]
 
asked by Felipe Augusto https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=102913 Score of 4
answered by Henrik Schumacher https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=38178 Score of 7
10.43.1.5 NMinimize too slow

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=309627

A few days ago, while I was learning more about  NMinimize[] , in the Applications section I was intrigued by Trajectory Optimization. Once I understood the basic ... 
[mathematical-optimization]
 
asked by  https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=32491 Score of 3
answered by ubpdqn https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1997 Score of 4
10.43.1.6 How do I restart kernel programmatically?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=309704

Due to memory buildup issues, I need to re-start kernel, keeping/reloading one variable and continue calculation. 
Say, I have a variable  tst={1,2,3}  and I want to ... 
[memory] [kernel] [clear] [persistence]
 
asked by Anton https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=81381 Score of 3
10.43.1.7 How to make the spacing between these circles consistent?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=309669

I want to draw the  stacked (or generalized) prism graph nicely. 
... 
[plotting] [graphs-and-networks]
 
asked by licheng https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=67902 Score of 3
answered by cvgmt https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=72111 Score of 8