6.4.2 Greatest hits from previous weeks

6.4.2.1 Mathematica code for Bifurcation Diagram

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=13277

At the moment I am trying to construct a bifurcation diagram of the iterative function $f(x)=$ $ax-1.1975x^3$. I've scoured the internet for pre-made bifurcation diagrams and found many (mostly of the  ... 
[plotting] [graphics] [code-request]
 

asked by Mel https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=3249 26 votes

answered by Mark McClure https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=36 45 votes

6.4.2.2 Drawing a square root spiral

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=66969

 
 
Here is a start. I'm looking for a nice way to draw it. 
 
Graphics[{EdgeForm[Black], White, 
Polygon @ {{0, 0}, {-1, 0}, 
Sqrt[2] {Cos[#], Sin[#]} &[Pi - (ArcCot[1])]}, 
Polygon @ {{0,  ... 
[graphics] [geometry]
 

asked by matrix89 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=5379 24 votes

answered by Bob Hanlon https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=9362 21 votes

6.4.2.3 How do I draw a pair of buttocks?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=66538

I'm trying to develop a function which 3D plot would have a buttocks like shape. 
 
Several days of searching the web and a dozen my of own attempts to solve the issue have brought nothing but two  ... 
[plotting] [graphics3d] [generative-art]
 

asked by Simpleton Jack https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=22399 287 votes

answered by mikuszefski https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=7608 440 votes

6.4.2.4 How can I improve Mathematica's resolution on a macbook retina display?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=18419

Mathematica 9.0 looks a bit fuzzy on the retina screen, how can I increase the resolution? 
 
 
 
Here another screenshot showing a direct comparison between the browser and Mathematica 
 
 
 
[front-end] [version-9] [mac-os-x]
 

asked by Tom Wellington https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=2437 43 votes

answered by canadian_historian https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=19 20 votes

6.4.2.5 Using Export[] sends the file where?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=8586

I am trying to use the Export command to convert a list of plots into a *.gif file, and the command runs and executes well, but I can't find the file! Where is it supposed to go? Did it even work? 
 
... 
[export]
 

asked by Patrick Da Silva https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1785 37 votes

answered by Vitaliy Kaurov https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=13 49 votes

6.4.2.6 How to create effect like Van Gogh's stroke brush?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=39003

I need to apply Van Gogh's stroke brush effect to a random image 
 
 
Take the following image as an example: 
 
Thank you so much if you could help! 
 
[image-processing] [code-request] [generative-art]
 

asked by user10495 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=10495 33 votes

answered by Simon Woods https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=862 51 votes

6.4.2.7 Elegant operations on matrix rows and columns

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=3069

Question 
 
The Mathematica tutorial has a section 'Basic Matrix Operations', describing operations like transpose, inverse and determinant. These operations all work on entire matrices. I am missing a  ... 
[list-manipulation] [matrix] [array] [faq]
 

asked by sjdh https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=515 177 votes

answered by Mr.Wizard https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=121 60 votes