9.44.1 Top new questions this week

9.44.1.1 Frank Stella Stars - How can we reproduce them?
9.44.1.2 How can I remove empty lists     from a nested list?
9.44.1.3 Colorinformation of ContourPlot3D
9.44.1.4 How can I automatically perform Buffalo Way replacement?
9.44.1.5 How to plot a surface given implicitly by 3 equations in 5 coordinate variables?
9.44.1.6 Schwartz function test
9.44.1.7 Want Map function to apply over sum of terms but not product
9.44.1.1 Frank Stella Stars - How can we reproduce them?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=295472

Frank  Stella (born 1936) is an American painter, sculptor and printmaker who 
lives and works in New York City. The Museum of Modern Art presented 
a retrospective of his work in 1970, making him the ... 
[graphics3d] [generative-art] [polyhedra]
 
asked by eldo https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=14254 Score of 13
answered by cvgmt https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=72111 Score of 13
9.44.1.2 How can I remove empty lists     from a nested list?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=295549

I have a list: 
 list={{{1},{2},{1,2},{1,2,3},{},{}},{{2},{3},{}}} 
 
I would like to remove the empty lists  {}  to get: 
... 
[list-manipulation] [replacement] [pattern-matching]
 
asked by Thuy Nguyen https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=69240 Score of 8
answered by bill s https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1783 Score of 19
9.44.1.3 Colorinformation of ContourPlot3D

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=295575

For a given plot (unknown Colorfunction)  bild  I would like to get the color of every single point  {x,y,z} . 
... 
[plotting]
 
asked by Ulrich Neumann https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=53677 Score of 6
answered by Domen https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=75628 Score of 5
9.44.1.4 How can I automatically perform Buffalo Way replacement?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=295425

Buffalo Way is a common method for proving inequalities by substituting variables $a_1, \dots, a_n$ in the following manner: 
$$ 
\begin{align} 
a_1 &\to a_1 \\ 
a_2 &\to a_1 + x_2 \\ 
a_3 &\to ... 
[replacement]
 
asked by youthdoo https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=92866 Score of 6
answered by bmf https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=85558 Score of 10
9.44.1.5 How to plot a surface given implicitly by 3 equations in 5 coordinate variables?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=295509

I have 3 implicit equations in 5 variables: $f_1(S, y_h, y_d, x_h, J)=0$, $f_2(S, y_h, y_d, x_h, J)=0$, and $f_3(S, y_h, y_d, x_h, J)=0$. These equations determine a 3D surface in $S-y_h-y_d$ ... 
[plotting] [parametric-functions] [implicit] [parameters]
 
asked by yuhao chen https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=95978 Score of 5
answered by xzczd https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1871 Score of 5
9.44.1.6 Schwartz function test

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=295453

An important class of functions in mathematical analysis, transform theory, and elsewhere is sometimes called Schwartz functions, after the French mathematician Laurent Schwartz.  Informally, they are ... 
[elements] [forall]
 
asked by David G. Stork https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=9735 Score of 5
answered by bmf https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=85558 Score of 5
9.44.1.7 Want Map function to apply over sum of terms but not product

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=295404

For a given function  F , if I use  Map[F,a+b+c d] , Mathematica returns, as desired: 
 
F[a]+F[b]+F[c d] ; 
 
However, for ... 
[list-manipulation] [core-language] [map]
 
asked by user160385 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=95944 Score of 5
answered by lericr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=84894 Score of 2