7.31.1 Top new questions this week

7.31.1.1 Best suited Wolfram tool for a high school student
7.31.1.2 Creating animated gifs with less jitter?
7.31.1.3 Looking for a Compilable Form of DeleteDuplicates
7.31.1.4 Extraneous curve due to MeshFunctions
7.31.1.5 ImplicitRegion fails on apparently simple case
7.31.1.6 Compile Can Handle Passing an Empty List Only When Returned by Some Functions?
7.31.1.7 Three plots in one plot
7.31.1.1 Best suited Wolfram tool for a high school student

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=255471

My daughter is a high school student and she likes science. In a couple of years she will go to university. I had a look at the Wolfram products (I used myself Mathematica when I was young) but I was ... 
[education] [reference-request]
 
asked by G. Lari https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=81777 14 votes
answered by Vitaliy Kaurov https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=13 11 votes
7.31.1.2 Creating animated gifs with less jitter?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=255550

I'm looking to improve the quality of exported animations (for which I'm limited to animated gifs for compatibility reasons), and the default export looks a bit unnatural/jittery. I'm wondering if ... 
[export] [visualization]
 
asked by Yaroslav Bulatov https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=217 13 votes
answered by Yaroslav Bulatov https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=217 5 votes
7.31.1.3 Looking for a Compilable Form of DeleteDuplicates

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=255556

 Union  is Compilable but  DeleteDuplicates  Isn't?! 
First,  DeleteDuplicates  is not compilable ... 
[list-manipulation] [performance-tuning] [function-construction] [compile] [code-request]
 
asked by Just Some Old Man https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=12697 9 votes
answered by Henrik Schumacher https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=38178 6 votes
7.31.1.4 Extraneous curve due to MeshFunctions

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=255501

I was using  MeshFunctions  to get intersection of quadratic with plane, but am getting some unexpected curves, any idea how to get rid of them, or maybe a more ... 
[plotting] [graphics3d]
 
asked by Yaroslav Bulatov https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=217 8 votes
answered by Brett Champion https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=69 10 votes
7.31.1.5 ImplicitRegion fails on apparently simple case

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=255680

Consider the shaded region bounded by $\sin x$, $\cos x$, and $\tan x$: 
 
We can define this as an  ImplicitRegion  by: 
... 
[implicitregion]
 
asked by David G. Stork https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=9735 7 votes
answered by kglr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=125 8 votes
7.31.1.6 Compile Can Handle Passing an Empty List Only When Returned by Some Functions?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=255507

There seems to be a bug whereby  Compile  can deal with empty lists only when passed in some cases. Consider the case below. 
... 
[function-construction] [evaluation] [warning-messages] [compile]
 
asked by Just Some Old Man https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=12697 7 votes
answered by WReach https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=142 10 votes
7.31.1.7 Three plots in one plot

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=255588

How can we make this comparison more clear,visible and understandable? 
 
Secondly, I want to add the plot legends to the inside of the plot (to a suitable place). 
... 
[plotting]
 
asked by rbrt_cpr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=79228 6 votes