8.21.2 Greatest hits from previous weeks

8.21.2.1 xkcd-style Plots
8.21.2.2 What do the X and Y axis stand for in the Fourier transform domain?
8.21.2.3 Why am I getting that $0.999999999999988 \geq 1.0$ is True?
8.21.2.4 How to find the position of elements in a list satisfying criteria
8.21.2.5 Code that generates a mandala
8.21.2.6 Is Mathematica worth it for me?
8.21.2.7 Mathematica vs. Python - how does Mathematica compare to Python's scientific computing suite?
8.21.2.1 xkcd-style Plots

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=11350

I received an email to which I wanted to respond with a xkcd-style graph, but I couldn't manage it. Everything I drew looked perfect, and I don't have enough command over ... 
[plotting] [generative-art]
 
asked by Amatya https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=2039 Score of 631
answered by Simon Woods https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=862 Score of 495
8.21.2.2 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 29
answered by Hugh https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=12558 Score of 69
8.21.2.3 Why am I getting that $0.999999999999988 \geq 1.0$ is True?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=241791

I am getting these results: 
... 
[numerics] [precision-and-accuracy]
 
asked by Craig Carter https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=12461 Score of 22
answered by Greg Hurst https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=4346 Score of 24
8.21.2.4 How to find the position of elements in a list satisfying criteria

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=180

Say I have a list  x={2,4,6,8,10}  and I want to find out the positions of the elements that are greater than 7. 
 
... 
[list-manipulation]
 
asked by PeterR https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=140 Score of 72
answered by J. M.'s slightly less busy https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=50 Score of 70
8.21.2.5 Code that generates a mandala

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=136974

My little brother asked me to print original mandalas for coloring. I would like some idea on how to create them, but without color, so he can color them. 
 
examples 
[graphics] [programming] [generative-art]
 
asked by zeros https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=26849 Score of 79
answered by Anton Antonov https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=34008 Score of 101
8.21.2.6 Is Mathematica worth it for me?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=100072

I'm 13 years old and in 7th grade. I'm currently in Algebra 1, and I have fallen in love with both math and programming. 
 
When I came upon Mathematica, it was awesome. My two favorite things fused ... 
[programming] [education]
 
asked by Nico A https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=35769 Score of 82
answered by Pillsy https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=531 Score of 56
8.21.2.7 Mathematica vs. Python - how does Mathematica compare to Python's scientific computing suite?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=86058

Python's family of packages for scientific computing has matured rapidly. I can pretty much replicate all of Mathematica's functionalities, but with production level and open-source code using the ... 
[python] [system-performance]
 
asked by M.R. https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=403 Score of 61
answered by Jens https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=245 Score of 39