9.9.2 Greatest hits from previous weeks

9.9.2.1 How to make a spiroglyphic?
9.9.2.2 How to make a Spherical Cow?
9.9.2.3 Why should I avoid the For loop in Mathematica?
9.9.2.4 Why round to even integers?
9.9.2.5 What do the X and Y axis stand for in the Fourier transform domain?
9.9.2.6 Calculating the normalization constant for a wavefunction
9.9.2.7 How do I clear all user defined symbols?
9.9.2.1 How to make a spiroglyphic?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=188139

Some (older) members of this group might remember playing vinyl LP records. Recently, at the Abbey Road studio there was a spiroglyphics coloring book for sale. It looks like a nice programming ... 
[image-processing] [code-request] [generative-art]
 
asked by TheDoctor https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=2263 Score of 15
answered by b3m2a1 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=38205 Score of 19
9.9.2.2 How to make a Spherical Cow?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=125043

Being a theoretical physicist, I always have a great respect for Spherical Cow. So I thought about making one myself. I am not sure how can I create (something considered to be the simplest!) this ... 
[geometry] [image3d]
 
asked by Sumit https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=8070 Score of 73
answered by andre314 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=5467 Score of 81
9.9.2.3 Why should I avoid the For loop in Mathematica?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=134609

Some people advise against the use of  For  loops in Mathematica. Why?  Should I heed this advice?  What is wrong with  For ?  What ... 
[core-language] [coding-style] [faq]
 
asked by Szabolcs https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=12 Score of 110
9.9.2.4 Why round to even integers?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=2116

According to the Mathematica help: 
Round rounds numbers of the form x.5 toward the nearest even integer. 
For example: 
 
 Round[{0.5, 1.5, 2.5, 3.5, 4.5}] 
 
 
gives 
... 
[numerics] [language-design]
 
asked by wxffles https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=427 Score of 86
answered by Per Alexandersson https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=488 Score of 53
9.9.2.5 What do the X and Y axis stand for in the Fourier transform domain?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=85139

In Wolfram Mathematica the function  Fourier  has the following declaration 
 
 Fourier[list] 
 
 
And after a list is given to the ... 
[numerics] [fourier-analysis] [faq]
 
asked by user253956 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=29958 Score of 31
answered by Hugh https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=12558 Score of 75
9.9.2.6 Calculating the normalization constant for a wavefunction

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=99248

How can I compute the normalization constant for a quantum mechanics wave-function, like $\Psi(x) = N \exp(-\lambda x^2/2)$ by using Mathematica? (The normalization constant is $N$). 
[physics]
 
asked by infiniteNOP https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=35524 Score of 2
answered by Jason B. https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=9490 Score of 5
9.9.2.7 How do I clear all user defined symbols?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=850

Is there some way to do this other than going to  Evaluation -> Quit kernel  and firing a new one up? 
[variable-definitions] [symbols] [faq] [clear] [persistence]
 
asked by niklasfi https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=82 Score of 108
answered by Artes https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=184 Score of 109