8.37.1 Top new questions this week

8.37.1.1 How to monitor the progress of LinearSolve?
8.37.1.2 How do I correctly apply patterns to function arguments using Pattern (:), PatternTest (?), and Condition (/;)
8.37.1.3 Still bug in Integrate. 3
8.37.1.4 CountourPlot3D wrong plotting result with extra surfaces
8.37.1.5 Warning from CompiledFunction is permanently off silently after generating for 3 times, bug or feature?
8.37.1.6 I understand b_ matches beta, but why does it also match alpha?
8.37.1.7 Fast Segmentation
8.37.1.1 How to monitor the progress of LinearSolve?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=276053

I am trying to do something like 
... 
[numerics] [linear-algebra] [monitoring] [internals]
 
asked by Gravifer https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=72025 Score of 9
answered by Gravifer https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=72025 Score of 7
8.37.1.2 How do I correctly apply patterns to function arguments using Pattern (:), PatternTest (?), and Condition (/;)

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=276027

Given: 
 Clear[func]; 
listOfLists = {{a, b}, {c, d, e}}; 
listOfRules = {a -> b, c -> d}; 
 
I can discern between listOfLists and listOfRules using MatchQ: 
... 
[pattern-matching] [argument-patterns]
 
asked by tjm167us https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=6028 Score of 9
answered by march https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=29734 Score of 14
8.37.1.3 Still bug in Integrate. 3

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=276049

Let us consider in version 13.1 on Windows 10 
 r = Integrate[1/(x - a)/Sqrt[1 - x^2], {x, -1, 1}, 
Assumptions -> a \[Element] Reals] 
 
 
... 
[calculus-and-analysis] [bugs] [integral-transforms]
 
asked by user64494 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=7152 Score of 7
answered by Mariusz Iwaniuk https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=26828 Score of 4
8.37.1.4 CountourPlot3D wrong plotting result with extra surfaces

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=275930

Bug introduced after 9.0, persisting through 13.1. Bug report sent via email on 12/Nov/2022 
 
I'm trying to plot the following implicit equation in 3D: 
... 
[plotting] [graphics3d] [bugs]
 
asked by YYing https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=63563 Score of 6
answered by cvgmt https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=72111 Score of 8
8.37.1.5 Warning from CompiledFunction is permanently off silently after generating for 3 times, bug or feature?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=275962

I've been vaguely aware of this behavior for a long time but never looked into it. Consider this sample: 
... 
[warning-messages] [compile]
 
asked by xzczd https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1871 Score of 5
8.37.1.6 I understand b_ matches beta, but why does it also match alpha?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=275886

Why does this pick out everything instead of just  beta ? 
 Cases[{alpha, beta, mxyzptlk}, b_] 
 
In a function you have to match the ... 
[pattern-matching] [filtering]
 
asked by cybervigilante https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=48241 Score of 5
answered by xzczd https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1871 Score of 10
8.37.1.7 Fast Segmentation

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=276099

Imagine I have an image of a segmented tissue as follows 
 
what is the fastest way of converting such an image into a mesh-type object in Mathematica? I am familiar with ... 
[image-processing] [mesh] [image] [segmentation]
 
asked by sam wolfe https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=64001 Score of 4
answered by Szabolcs https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=12 Score of 5