7.44.1 Top new questions this week

7.44.1.1 Speed up Do loops in MMA 13.0

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=261325

How to speed up Do loop in MMA 13. 
We consider the following Benchmark test (4 kernels, i7, win10): 
In MMA 13: 
... 
[matrix] [performance-tuning] [numerics]
 

asked by ABCDEMMM https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=54516 23 votes

answered by Michael E2 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=4999 24 votes

7.44.1.2 3D stable fluids algorithm to simulate transition from laminar to turbulent flow

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=261185

This algorithm is 3D extension of our 2D algorithm published on this page and here. 
We suppose that with this code we can simulate transition from laminar to turbulent flow. In this example we compute ... 
[differential-equations] [performance-tuning] [finite-difference-method] [fluid-dynamics]
 

asked by Alex Trounev https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=58388 13 votes

7.44.1.3 Writing a technical note in Mathematica

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=261381

I have been using Mathematica for many years, mostly for plotting, derivations and numerical computations. Many times I tried to incorporate some text and formulas in my worksheets. Text is Ok, but ... 
[formatting] [text]
 

asked by yarchik https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=9469 11 votes

7.44.1.4 Incorrect behavior of TimeObject in version 13

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=261123

I used to use  TimeObject  in my code and pass it the string coming from a database system as follows and it used to convert it to the correct time. 
... 
[date-and-time] [version-13]
 

asked by user13892 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=13892 11 votes

answered by Patrick Stevens https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=30771 7 votes

7.44.1.5 CustomTicks and Mathematica 13.0

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=261270

Here is the code, which uses the CustomTicks package: 
... 
[plotting] [ticks] [version-13]
 

asked by Davi https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=53261 9 votes

answered by Davi https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=53261 3 votes

7.44.1.6 Display information as fractions in dataset

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=261308

I have some data that I want to display as rationals. 
... 
[dataset]
 

asked by Mark R https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=65931 7 votes

answered by Edmund https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=19542 9 votes

7.44.1.7 How to present a Barchart and a Table in a single figure

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=261209

Using the following code, 
... 
[table] [legending] [charts]
 

asked by Tugrul Temel https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=60365 6 votes

answered by Bob Hanlon https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=9362 9 votes