9.12.2 Greatest hits from previous weeks

9.12.2.1 Calculate the 2D Fourier transform of an Image
9.12.2.2 xkcd-style Plots
9.12.2.3 Why round to even integers?
9.12.2.4 How do I plot a plane EM wave?
9.12.2.5 Even Fibonacci numbers
9.12.2.6 Plotting Complex Quantity Functions
9.12.2.7 Standard deck of 52 playing cards in curated data?
9.12.2.1 Calculate the 2D Fourier transform of an Image

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=29203

I am new to Mathematica, and using version 8.0. 
 
I would like to calculate the 2D Fourier Transform of an  Image  with Mathematica and plot the magnitude and phase ... 
[image-processing] [image] [fourier-analysis]
 
asked by user8727 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=8727 Score of 20
answered by Nasser https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=70 Score of 37
9.12.2.2 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 638
answered by Simon Woods https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=862 Score of 501
9.12.2.3 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
9.12.2.4 How do I plot a plane EM wave?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=1987

I would like to display an electromagnetic (EM) wave.  I have written code that works, but it does not "shade" the area between the graph and the axes.  Both the ... 
[graphics] [physics] [visualization]
 
asked by Rainforest Frog https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=202 Score of 23
answered by J. M.'s persistent exhaustion https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=50 Score of 17
9.12.2.5 Even Fibonacci numbers

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=37266

Today, I found the Euler Project. Problem #2 is 
 
Each new term in the Fibonacci sequence is generated by adding the previous two terms. By starting with 1 and 2, the first 10 terms will be: 
... 
[number-theory] [project-euler]
 
asked by xyz https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=9627 Score of 34
answered by rcollyer https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=52 Score of 47
9.12.2.6 Plotting Complex Quantity Functions

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=3458

Trying to plot with complex quantities seems not to work properly in what I want to accomplish. I would like to know if there is a general rule/way of plotting when you have complex counterparts in ... 
[plotting] [complex] [faq]
 
asked by night owl https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=116 Score of 42
answered by Artes https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=184 Score of 29
9.12.2.7 Standard deck of 52 playing cards in curated data?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=16108

I am not sure how to find out what all is included as curated data. For example, are the individual images of each of the 52 cards in a standard deck of playing cards included? 
 
If not, is there a way ... 
[curated-data]
 
asked by JohnD https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1629 Score of 26
answered by rm -rf https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=5 Score of 24