5.2.1 Top new questions this week

5.2.1.1 Why is Unevaluated[#]& different from Unevaluated?

https://mathematica.stackexchange.com/questions/163291/why-is-unevaluated-different-from-unevaluated

 
{a, b, c} = {1, 2, 3}; 
Unevaluated /@ Unevaluated@{a, b, c} 
(* {Unevaluated[a], Unevaluated[b], Unevaluated[c]} *) 
Unevaluated[#]& /@ Unevaluated@{a, b, c} 
(* {Unevaluated[1], Unevaluated[2],  ...
 

- asked by Roman (18 votes), answered by Szabolcs (19 votes)

5.2.1.2 Building a GitBook with Mathematica

https://mathematica.stackexchange.com/questions/163193/building-a-gitbook-with-mathematica

 
GitBook is a fun little website that will take Markdown source material and build a little book out of it. 
 
How can I use Mathematica to build a GitBook with a minimum of effort?
 

- asked by b3m2a1 (14 votes), answered by b3m2a1 (18 votes)

5.2.1.3 How to create a vertical bullet gauge?

https://mathematica.stackexchange.com/questions/163201/how-to-create-a-vertical-bullet-gauge

 
Originally posted in MathematicaMeta SE, titled "I can't understand why Mathematica has an excellent (perhaps the best!) BulletGauge command (with multiple options)", as a reflexion about the  ...
 

- asked by Mika Ike (10 votes), answered by kglr (14 votes)

5.2.1.4 Specialized form of Outer[f, list, list] for symmetric f

https://mathematica.stackexchange.com/questions/163240/specialized-form-of-outerf-list-list-for-symmetric-f

 
Consider a function f that is symmetric with regard to its two arguments i.e. f[x,y] == f[y,x]. Using Outer one can for instance build a correspondence matrix that computes some distance measure f  ...
 

- asked by Sascha (9 votes), answered by Henrik Schumacher (5 votes)

5.2.1.5 How to convert a string having nested parentheses into an expression?

https://mathematica.stackexchange.com/questions/163184/how-to-convert-a-string-having-nested-parentheses-into-an-expression

 
I am a Wolfram Language/Mathematica beginner and trying to convert STEP ISO10303 commands into geometrical regions. 
A simple command looks like 
 
(vector(a,(b,c)),line(d,(e,f)) 
 
 
I tried with String  ...
 

- asked by Markus Sonderegger (9 votes), answered by John Doty (9 votes)

5.2.1.6 Is there any way to speed up this code that's Maximizing a function got from numerical integration?

https://mathematica.stackexchange.com/questions/163204/is-there-any-way-to-speed-up-this-code-thats-maximizing-a-function-got-from-num

 
I have this code below, which is calculating the Binding energy of an electron in a Quantum Well Wire with a hydrogenic impurity in it. Well you don't have to care much about what kind of calculation  ...
 

- asked by tyler_house (7 votes), answered by Michael E2 (7 votes)

5.2.1.7 Joining all the keys of a list of rules that point to matching values

https://mathematica.stackexchange.com/questions/163068/joining-all-the-keys-of-a-list-of-rules-that-point-to-matching-values

 
Suppose I have a list of rules whose keys are not of identical structure (in my case, the keys are either lists of at least one symbol or symbols alone): 
 
rules = {{a} -> 1, {b, c} -> 1, d ->  ...
 

- asked by user170231 (7 votes), answered by Kuba (10 votes)