3.9.1 Top new questions this week

3.9.1.1 How to make a Spherical Cow?

http://mathematica.stackexchange.com/questions/125043/how-to-make-a-spherical-cow

 
Being a theoretical physicist, I always have a great respect for Spherical Cow. So I thought about making one myself. I am not sure how can I create (something considered to be the simplest!) this  ...
 

- asked by Sumit (29 votes), answered by andre (41 votes)

3.9.1.2 Unit Discovery: Is this some sort of a sick joke?

http://mathematica.stackexchange.com/questions/124745/unit-discovery-is-this-some-sort-of-a-sick-joke

 
Alright, let's have some fun here. I am essentially following the documentation by Wolfram, just looking at different quantities. 
 
N[UnitConvert[Quantity["earth's gravity"]]] 
 
9.80665m/(s)^2 
 
 
Hmm,  ...
 

- asked by Pirx (26 votes), answered by Xavier (27 votes)

3.9.1.3 Remove noise from data

http://mathematica.stackexchange.com/questions/124928/remove-noise-from-data

 
 
 
Hi, as you can see above I have some experimental data which has a large offset and shows clear noise fluctations around the tendency of the curve. I wanted to ask if someone could suggest me a  ...
 

- asked by Filipe (23 votes), answered by nikie (22 votes)

3.9.1.4 Q&A Mathematica v.11 Neural Networks: A comprehensive look at Layers, Net Functions, and pioneering into this [[experimental]] code

http://mathematica.stackexchange.com/questions/124977/qa-mathematica-v-11-neural-networks-a-comprehensive-look-at-layers-net-functi

 
Motivation 
 
As Mathematica v.11 was released earlier this month with a host of new [[experimental]] functions and a limited number of examples on curated data that do not cover all layers, options,  ...
 

- asked by SumNeuron (20 votes), answered by Sebastian (12 votes)

3.9.1.5 Custom OpenerView with lazy evaluation

http://mathematica.stackexchange.com/questions/124892/custom-openerview-with-lazy-evaluation

 
OpenerView can be nested to create a hierarchical structure such as this: 
 
 
 
One great aspect is that it remembers which lists are open and which are closed even after the parent has been closed and  ...
 

- asked by C. E. (16 votes), answered by C. E. (7 votes)

3.9.1.6 RNN in Mathematica?

http://mathematica.stackexchange.com/questions/124988/rnn-in-mathematica

 
Recurrent neural network is an important part of machine learning and its improved version: LSTM network is widely applied, but Mathematica seemingly is in lack of these two features and in my  ...
 

- asked by Wjx (15 votes), answered by Taliesin Beynon (19 votes)

3.9.1.7 Pentagonal spiral in Mathematica

http://mathematica.stackexchange.com/questions/125007/pentagonal-spiral-in-mathematica

 
I would like to plot an image of what I call a pentagonal spiral with Mathematica. A sample image of what I'd like to obtain is this (sorry for low-quality): 
 
 
 
My initial idea was to get some kind of  ...
 

- asked by bharb (14 votes), answered by Wjx (11 votes)