9.24.1 Top new questions this week

9.24.1.1 To Chop or not to Chop

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=287753

If I run the command 
   ResourceFunction[ "GlobalMaxima"][{x*y + 2*y*z + 6*x, x^2 + y^2 + z^2 == 36}, {x, y, z}] 
 
This returns a closed form solution of 
 
... 
[functions] [numerics] [maximize]
 

asked by Moo https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=36141 Score of 8

answered by Carl Woll https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=45431 Score of 10

9.24.1.2 Visualizing region outlines

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=287811

I want to generate a picture like this, highlight its outlines, don't show extra edges. 
 
The built-in MengerMesh will have extra edges 
... 
[regions] [mesh]
 

asked by expression https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=7339 Score of 6

answered by kglr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=125 Score of 7

9.24.1.3 Result of numerical computation representing a real physical quantity still contains a small imaginary components

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=287710

I have been grappling with a physics calculation pertaining to thin film optics. I have been endeavouring to use transfer matrix calculations to determine optical reflectance. Attached below is the ... 
[numerics] [complex] [physics]
 

asked by Hooman Puyandeh https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=93591 Score of 6

answered by jdp https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=87932 Score of 5

9.24.1.4 Preserve Color In GeoBackground

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=287634

When you use a  ReliefPlot  as a  GeoBackground , it seems to change the underlying colour scheme. Is it possible to preserve the ... 
[plotting] [geographics] [background]
 

asked by Tomi https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=36939 Score of 5

answered by kglr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=125 Score of 3

9.24.1.5 FindRoot error in NDSolve

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=287700

I have two coupled differential equations as follows 
$$ 
\frac{\partial }{\partial x}U(x,y) =2V(x,y), 
$$ 
$$ 
\frac{\partial }{\partial y}V(x,y) =V(x,y)U(x,y)+1, 
$$ 
with ... 
[differential-equations] [equation-solving] [numerics] [finite-element-method]
 

asked by A.D https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=93589 Score of 4

answered by jdp https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=87932 Score of 1

9.24.1.6 Finer mesh for selected subregion of a solid 3D cylinder

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=287715

I am trying to create a finer mesh in a subregion of a solid cylinder in order to improve the resolution there. I don't want to have too many elements for the entire cylinder because it slows down the ... 
[finite-element-method] [mesh]
 

asked by user93372 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=93372 Score of 4

answered by user21 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=18437 Score of 8

9.24.1.7 Enumeration of a nested list

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=287860

My problem is consisting of following: 
I have a nested list of following form: 
 {{B, v ** v, b ** B}, {b, B ** b}, {b ** B, v ** v}, {}} 
 
And I want to enumerate ... 
[list-manipulation] [functional-style] [map] [indexing] [nested-function]
 

asked by George https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=73349 Score of 3