11.2.1 Top new questions this week

11.2.1.1 Is it possible to get symbolic integral for this?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=309920

Here is the function 
$$ 
I \;=\;\int_{\theta=0}^{\pi}\!\!\!\int_{\phi=0}^{2\pi} 
\dfrac{R^2\,\sin(\theta)\,\Bigl(\tfrac{a}{2} \;-\;R\,\sin(\theta)\,\cos(\phi)\Bigr)} 
{\bigl[a^2 \;-\; a\,R\,\bigl(\sin\... 
[calculus-and-analysis] [physics]
 

asked by kile https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=65814 Score of 7

answered by yarchik https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=9469 Score of 10

11.2.1.2 Incorrect answer generated by Sum!

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=310002

I tried on Mathematica on version:  13.3  and  14.1.0 : 
... 
[special-functions] [summation] [series-expansion]
 

asked by Mariusz Iwaniuk https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=26828 Score of 6

answered by ubpdqn https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1997 Score of 6

11.2.1.3 Improving calculation speed of root finding

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=309933

I was playing around with the systems in A fast numerical algorithm for finding all real  solutions to a system of N nonlinear equations in a finite domain and will use the third domain in 
 
I tried 
<... 
[equation-solving] [performance-tuning]
 

asked by Moo https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=36141 Score of 6

answered by Michael E2 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=4999 Score of 5

11.2.1.4 Stacking frames of a ListAnimation into a 3D picture

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=309918

What's the best way to use Mathematica built-in tools to stack multiple frames of a  ListAnimation  vertically into a pleasing 3D picture? 
... 
[plotting] [visualization]
 

asked by Yaroslav Bulatov https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=217 Score of 6

answered by Michael E2 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=4999 Score of 8

11.2.1.5 Frequency identification via Fourier when wave period is larger than dataset length

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=309934

The following code is taken from the manual 
... 
[fourier-analysis] [signal-processing] [frequency]
 

asked by Anton https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=81381 Score of 5

answered by Michael E2 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=4999 Score of 4

11.2.1.6 Returning a sequence from a function

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=309915

Let's say I want to take this plot: 
 r = 3; 
DensityPlot[x^2 + y^2, {x, -r, r}, {y, -r, r}] 
 
and make the x and y limits be returned from some function (maybe because ... 
[plotting] [evaluation] [core-language] [code-request] [language-design]
 

asked by dalamajama https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=92551 Score of 5

answered by Michael E2 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=4999 Score of 7

11.2.1.7 Why does Join not throw an error message when attempting to concatenate a List with an Integer, using infix notation?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=310049

Suppose I have  my10List , a list of the ten integers from 1 to 10. Suppose I wish to rearrange the list so that the element  8  ... 
[list-manipulation] [join]
 

asked by Andrew https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1185 Score of 4

answered by Jason B. https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=9490 Score of 7