9.26.2 Greatest hits from previous weeks

9.26.2.1 How to build a bvh (a motion capture file format) player in Mathematica?
9.26.2.2 Mathematica vs. Python - how does Mathematica compare to Python's scientific computing suite?
9.26.2.3 What does # mean in Mathematica?
9.26.2.4 Is there an open source implementation of Mathematica-the-language?
9.26.2.5 How to express trigonometric equation in terms of of given trigonometric function?
9.26.2.6 How to create effect like Van Gogh's stroke brush?
9.26.2.7 Image processing: Floor plan - detecting rooms' borders (area) and room names' texts
9.26.2.1 How to build a bvh (a motion capture file format) player in Mathematica?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=60292

How to build a bvh player that can be used to visualize human motions in Mathematica? Any 
idea or sample code would be appreciated. 
... 
[graphics3d] [import] [animation] [visualization] [code-request]
 
asked by Putterboy https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=16069 Score of 50
9.26.2.2 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 63
answered by Jens https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=245 Score of 41
9.26.2.3 What does # mean in Mathematica?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=19035

I asked Mathematica to compute the following 
 
 Solve[c (1-x)^2-x^(1/4) == 0, x] 
 
 
and it returned this: 
x = Root[#1^8 c^4 - 8 #1^7 c^4 + 28 #1^6 c^4 - 56 #1^5 c^4 ... 
[syntax] [core-language]
 
asked by ronanymous https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=5730 Score of 48
answered by Dr. belisarius https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=193 Score of 77
9.26.2.4 Is there an open source implementation of Mathematica-the-language?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=4454

I've seen questions before such as "What is the best open-source equivalent for Mathematica?", but that specific question (and that line of inquiry in general) cares more about the computer algebra ... 
[programming] [open-source]
 
asked by sblom https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=178 Score of 129
answered by Simon https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=34 Score of 92
9.26.2.5 How to express trigonometric equation in terms of of given trigonometric function?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=434

How can I express a trigonometric equation / identity in terms of a given trigonometric function? 
 
using following trigonometric identities 
 
... 
[functions] [trigonometry]
 
asked by Prashant Bhate https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=99 Score of 30
answered by Simon https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=34 Score of 37
9.26.2.6 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 Score of 34
9.26.2.7 Image processing: Floor plan - detecting rooms' borders (area) and room names' texts

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=19546

Here is a simple building floor plan. I would like to derive the rooms as (rectangular) components and the names of the rooms. This is very common representation of building floor plans. 
 
The problem 
 
... 
[image-processing]
 
asked by s.s.o https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=840 Score of 65
answered by Niki Estner https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=242 Score of 60