10.34.1 Top new questions this week

10.34.1.1 How Do I Gather All Intersecting Lists?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=307679

So, I have a list of pairs: 
... 
[list-manipulation] [performance-tuning]
 

asked by Anton https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=81381 Score of 9

answered by ubpdqn https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1997 Score of 12

10.34.1.2 Flattening so that only pairs remain

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=307668

Surely this will have been asked before ... but I cannot find an answer. 
I have lists of pairs wherein the pairs might be embedded to any level and not necessarily all at the same level. For example, 
<... 
[list-manipulation]
 

asked by CrimsonDark https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=63758 Score of 9

answered by lericr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=84894 Score of 13

10.34.1.3 Generate 3D graphics with fractal geometry slices like Julia set

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=307727

Each slice is an approximate curve of JuliaSet and the entire surface is "smooth". 
 
The specific difficulty is 
 
julia set is a fractal function of iteration, it cannot expressed as the ... 
[graphics3d] [fractals] [3d-printing]
 

asked by babyK https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=82546 Score of 8

answered by cvgmt https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=72111 Score of 7

10.34.1.4 NDSolve the 1D Poisson Equation on a Periodic Domain

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=307781

I want to use NDSolve on the simple equation 
$$ q'' == g(q,h) $$ for some function $g$ on the domain $ \Omega=[-1,1]$ 
with periodic boundary conditions $$ q(-1)=q(1) \text{ and } q'(-1) = q'(1)$$ 
... 
[differential-equations] [finite-element-method] [boundary-conditions]
 

asked by ullices https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=63782 Score of 5

answered by andre314 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=5467 Score of 4

10.34.1.5 A grid of Primes

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=307793

I have a 3x3 grid for which I want to populate with DISTINCT primes (smaller primes the better). For which the SUM of each row, each column, the 2-diagonals (largest ones), and lastly the entire 9 ... 
[matrix] [grid-layouts]
 

asked by Steve237 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=69429 Score of 5

answered by azerbajdzan https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=53172 Score of 8

10.34.1.6 Select unique row and column entry from an nxn matrix

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=307742

I have an n x n matrix, for sake of simplicity say n=5 
Example: 
 { 
{2, 3, 12, 19, 1}, 
{4, 23, 6, 8, 7}, 
{3, 22, 18, 5, 4}, 
{14, 11, 3, 8, 7}, 
{4, 12, 19, 13, 3} 
} 
 
... 
[matrix]
 

asked by Steve237 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=69429 Score of 5

answered by A. Kato https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=62063 Score of 5

10.34.1.7 Generating ordered n-tuples with k distinct elements

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=307707

I need to generate all integers such that they start with 1, have exactly k distinct digits, and every next digit is at most by 1 larger than the maximum of the preceding ones (10 is replaced with 0). ... 
[list-manipulation] [performance-tuning] [conditional] [combinatorics] [tuples]
 

asked by Vosoni https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=80432 Score of 4