10.25.1 Top new questions this week

10.25.1.1 Represent and evaluate an infinite expression
10.25.1.2 How can I disable highlighting of matching symbols in expression in version 14.1?
10.25.1.3 Recognizing Named Characters
10.25.1.4 How to plot confidence band for Weibull linear fitting?
10.25.1.5 NDSolve gets the wrong answer! How get NDSolve to correctly solve this "stiff" equation?
10.25.1.6 Callout[] unpredictably fails to display
10.25.1.7 How to make an operator form of Part[] to use with // (Postfix)
10.25.1.1 Represent and evaluate an infinite expression

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=305692

I am trying to represent this in Mathematica, then evaluate it: 
... 
[calculus-and-analysis] [recursion]
 
asked by Steve237 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=69429 Score of 8
answered by azerbajdzan https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=53172 Score of 10
10.25.1.2 How can I disable highlighting of matching symbols in expression in version 14.1?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=305746

V 14.1 seems to have introduced another annoying eye candy feature. When the cursor is next to a symbol in an expression, all matching symbols become dark blue at same time. 
I find this distracting. ... 
[front-end] [syntax-highlighting] [version-14.1]
 
asked by Nasser https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=70 Score of 5
answered by Domen https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=75628 Score of 1
10.25.1.3 Recognizing Named Characters

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=305654

I am trying to determine Special Characters - maybe hasSymbolFormQ is not the best name for my intended function in this regard: 
... 
[documentation] [symbols] [named-characters]
 
asked by marie_antoinette https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=92520 Score of 5
answered by Lukas Lang https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=36508 Score of 4
10.25.1.4 How to plot confidence band for Weibull linear fitting?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=305594

I have a reliability dataset and want to plot using linear fitting by assuming Weibull distribution. 
... 
[fitting] [weibull]
 
asked by metroidman https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=94488 Score of 5
answered by JimB https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=19758 Score of 6
10.25.1.5 NDSolve gets the wrong answer! How get NDSolve to correctly solve this "stiff" equation?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=305722

Below, I am trying to solve for  x[t] , in a sort of complicated differential equation. In this equation,  x[t]  is a 3-D vector ... 
[differential-equations] [stiffness]
 
asked by Astor Florida https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=22432 Score of 4
answered by xzczd https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1871 Score of 5
10.25.1.6 Callout[] unpredictably fails to display

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=305612

Callout[] sometimes shows the desired info, sometimes doesn't. For the following, I see the "P" callout, but not the "Si". 
... 
[plotting] [labeling]
 
asked by John Doty https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=27989 Score of 4
answered by Domen https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=75628 Score of 2
10.25.1.7 How to make an operator form of Part[] to use with // (Postfix)

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=305726

I've often found myself chaining multiple functions in Mathematica using the  //  postfix form, and then needing to extract specific parts of the result. The standard ... 
[functions] [functional-style] [notation]
 
asked by Tapiocaweasel https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=93168 Score of 3
answered by Tapiocaweasel https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=93168 Score of 5