7.43.1 Top new questions this week

7.43.1.1 How to separate the regions enclosed by curves

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=261058

There are  three arbitrary curves that defined by three implicit functions. How to separate the 12 regions(one of them is the outside infinite region) 
Although we can use image methods to distinguish ... 
[plotting] [regions] [geometry]
 

asked by herbertfederer https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=74235 11 votes

answered by kglr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=125 10 votes

7.43.1.2 Can't solve with NDSolve a simple circuit with a lossless transmission line (a wave equation)

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=260890

My question 
Consider the following circuit. A lossless long transmission lines ($R' = G' = 0 \text{ } \Omega$), of length $\ell$ and inductance per unit length $L'$ and capacitance per unit length $C'$... 
[differential-equations] [finite-element-method] [wave-propagation]
 

asked by alejnavab https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=71575 10 votes

answered by Alex Trounev https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=58388 5 votes

7.43.1.3 Replicating $\LaTeX$'s pgfplot Style in Mathematica

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=261005

I'm trying to replicate the plot theme of $\LaTeX$'s pgtplots for 3D surfaces in Mathematica's Plot3D Function. The goal is to create something similar to this: 
 
So I played around with the opacity ... 
[plotting] [color] [latex]
 

asked by kienappel https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=75957 9 votes

answered by Jason B. https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=9490 13 votes

7.43.1.4 Why is Mathematica changing the output display format?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=261013

I do a command like 
   Table[i^5/(i^5 + 7*i + 1) Sin[x]/E^(3 i x), {i, 1, 5}] 
 
The output shows up as 
$$\left\{\frac{1}{9} e^{-3 x} \sin (x),\frac{32}{47} e^{-6 x} \... 
[functions] [output-formatting] [formatting] [latex]
 

asked by Moo https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=36141 7 votes

answered by Nasser https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=70 2 votes

7.43.1.5 Dynamically Center a Control in Manipulate

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=260998

I am attempting to dynamically horizontally center a button above the plot window in a manipulate.  For example, 
... 
[manipulate] [gui-construction]
 

asked by B flat https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=33996 7 votes

answered by kglr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=125 8 votes

7.43.1.6 How to join two tables column-wise simply and quickly?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=260845

Consider the following tables: 
 ival = 10^6; 
Tab1 = Table[{x, y}, {x, 1, ival, 1}, {y, 1, 6, 1}]; 
Tab2 = Table[{x, y1}, {x, 1, ival, 1}, {y1, 7, 8, 1}]; 
 
The values ... 
[list-manipulation] [performance-tuning]
 

asked by John Taylor https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=41058 7 votes

answered by Fidel I. Schaposnik https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=45839 8 votes

7.43.1.7 Getting only real solutions

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=261074

I want to get real solutions $a$ and $b$ to the equation 
... 
[equation-solving]
 

asked by Apocalypse https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=59851 6 votes

answered by Bob Hanlon https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=9362 6 votes