4.6.1 Top new questions this week

4.6.1.1 Code that generates a mandala

http://mathematica.stackexchange.com/questions/136974/code-that-generates-a-mandala

 
My little brother asked me to print original mandalas for coloring. I would like some idea on how to create them, but without color, so he can color them. 
 
examples
 

- asked by zeros (31 votes), answered by Anton Antonov (48 votes)

4.6.1.2 How to make Mathematica variables declarative instead of just-in-time?

http://mathematica.stackexchange.com/questions/136833/how-to-make-mathematica-variables-declarative-instead-of-just-in-time

 
Is there a way to have Mathematica at the notebook level (SetOptions[EvaluationNotebook[], CellContext -> Notebook]) only uses a set of declared variables in the notebook context. Any variables  ...
 

- asked by Edmund (27 votes), answered by rcollyer (25 votes)

4.6.1.3 Shorthand for map at level 2

http://mathematica.stackexchange.com/questions/136751/shorthand-for-map-at-level-2

 
I love the shorthand /@. It is amazing for readability (and laziness when typing). However, right now I find that I need Map at level 2, i.e. Map[f, List[List[a,b],List[c,d]], {2}], a lot and I'd wish  ...
 

- asked by Kvothe (16 votes), answered by Mr.Wizard (19 votes)

4.6.1.4 Proteins, ProteinData, WolframAlpha

http://mathematica.stackexchange.com/questions/136741/proteins-proteindata-wolframalpha

 
 
Apologies in advance, this is the first I've messed with ProteinData and access through WolframAlpha, so clearly I may not know how Mathematica and Alpha decide on what is the 'right way' to ask  ...
 

- asked by flip (15 votes), answered by J. M. (10 votes)

4.6.1.5 Simplifying a reverse Fold for a Query

http://mathematica.stackexchange.com/questions/136856/simplifying-a-reverse-fold-for-a-query

 
Is there a simpler way to parametrize this tail-recursive expression to be applied as a Query (for processing a nested Association)? The pattern is shown by example with first 3 levels: 
 
 
g[f[1]]  (*  ...
 

- asked by alancalvitti (11 votes), answered by Edmund (10 votes)

4.6.1.6 Where is Abbott? How to make logograms from the film "Arrival"?

http://mathematica.stackexchange.com/questions/137156/where-is-abbott-how-to-make-logograms-from-the-film-arrival

 
The film Arrival showed Wolfram Language code in action analysing alien logograms. A recent 
blog describes some details and 
mentions 
a live-coding video by Christopher Wolfam. See also Stephen  ...
 

- asked by KennyColnago (8 votes), answered by KennyColnago (10 votes)

4.6.1.7 How to implement neural style transfer?

http://mathematica.stackexchange.com/questions/136704/how-to-implement-neural-style-transfer

 
In the paper A Neural Algorithm of Artistic Style, Leon A. Gatys et all. describe a process of extracting the content and style vectors from an image separately. They use this technique to generate  ...
 

- asked by M.R. 8votes