11.21.2 Greatest hits from previous weeks

11.21.2.1 $\LaTeX$ and Mathematica
11.21.2.2 How do I clear all user defined symbols?
11.21.2.3 Even Fibonacci numbers
11.21.2.4 How to create effect like Van Gogh's stroke brush?
11.21.2.5 Labeling individual curves in Mathematica
11.21.2.6 Crack CAPTCHA using deep learning
11.21.2.7 Find eigen energies of time-independent Schrödinger equation
11.21.2.1 $\LaTeX$ and Mathematica

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=736

I quite often would like to draw graphics in my $\LaTeX$ documents using Mathematica. I have encountered three problems. I would like to know if there are any workarounds to these problems 
 
I would ... 
[graphics] [export] [latex]
 
asked by Thomas Rot https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=227 Score of 141
answered by Simon https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=34 Score of 48
11.21.2.2 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 115
answered by Artes https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=184 Score of 122
11.21.2.3 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
11.21.2.4 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
11.21.2.5 Labeling individual curves in Mathematica

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=4444

I need to create a plot for export and inclusion in a report. Is there a better way to label curves than  PlotLegends ? From what I've read and my personal experience,... 
[plotting] [legending]
 
asked by Tianxiang Xiong https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1041 Score of 65
answered by Artes https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=184 Score of 48
11.21.2.6 Crack CAPTCHA using deep learning

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=143691

Deep convolutional neural networks are very good at computer vision related tasks. Optical Character Recognition (OCR) is one important branch of computer vision. In fact, the convolution neural ... 
[machine-learning] [neural-networks] [ocr]
 
asked by xslittlegrass https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1364 Score of 92
answered by xslittlegrass https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1364 Score of 101
11.21.2.7 Find eigen energies of time-independent Schrödinger equation

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=32293

I'm trying to get the eigenvalues of a one dimensional time-independent Schrödinger equation, 
 
$-\frac{h^2}{2m_0}\frac{d^2\psi}{dx^2}+U(x)~\psi=Ei~\psi$ 
 
where U(x) is some potential and Ei is the ... 
[equation-solving] [physics] [parametric-functions]
 
asked by xslittlegrass https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1364 Score of 54
answered by Jens https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=245 Score of 49