4.19.1 Top new questions this week

4.19.1.1 Mathematica stuck in "running" for every calculation I attempt, kernel error
4.19.1.2 How to split data into clusters based on fitting to function
4.19.1.3 Inserting cones at intersection points two curves
4.19.1.4 How to define a function inside a Compile?
4.19.1.5 How to automatically do a computation, Quit[], restart and do a new computation
4.19.1.6 1D transient heat equation problem with controller
4.19.1.7 Clarify when to use Style vs Directive vs List
4.19.1.1 Mathematica stuck in "running" for every calculation I attempt, kernel error

https://mathematica.stackexchange.com/questions/146005/mathematica-stuck-in-running-for-every-calculation-i-attempt-kernel-error

 
Bug caused by paclet update and fixed by paclet update. 
 
 
 
I downloaded Mathematica this morning to do an implicit polar plot. I attempt to run the code 
 
Manipulate[ 
ContourPlot[ 
Evaluate@With[{r =  ...
 

- asked by 0celouvskyopoulo7 (26 votes), answered by ilian (16 votes)

4.19.1.2 How to split data into clusters based on fitting to function

https://mathematica.stackexchange.com/questions/146079/how-to-split-data-into-clusters-based-on-fitting-to-function

 
I have data which looks somewhat like this: 
 
 
 
On the picture, you can see that the data can be described by 2 linear functions - if you manage to split it into 2 groups, each can easily be fitted  ...
 

- asked by Arsen Zahray (10 votes), answered by rhermans (11 votes)

4.19.1.3 Inserting cones at intersection points two curves

https://mathematica.stackexchange.com/questions/145874/inserting-cones-at-intersection-points-two-curves

 
I am plotting the null geodesics for a Schwarzschild surface in Schwarzschild coordinates and would light to insert small future light-cones at the points of intersection to emphasize the tipping over  ...
 

- asked by Soof_fie (9 votes), answered by rhermans (3 votes)

4.19.1.4 How to define a function inside a Compile?

https://mathematica.stackexchange.com/questions/145931/how-to-define-a-function-inside-a-compile

 
I want to compile a variety of commands, including a function. I need to map this function, inside the compilation, and I can't include the function without facing errors such as  ...
 

- asked by user5253864 (9 votes), answered by xzczd (10 votes)

4.19.1.5 How to automatically do a computation, Quit[], restart and do a new computation

https://mathematica.stackexchange.com/questions/145852/how-to-automatically-do-a-computation-quit-restart-and-do-a-new-computation

 
Related questions have been asked before (eg Where does a package have to be loaded?,http://stackoverflow.com/questions/6152023/quit-kernel-in-mathematica-by-a-command-not-using-evaluation-menu,  ...
 

- asked by Gaius (9 votes), answered by Shadowray (6 votes)

4.19.1.6 1D transient heat equation problem with controller

https://mathematica.stackexchange.com/questions/145799/1d-transient-heat-equation-problem-with-controller

 
I would appreciate some help with following issue: 
 
I am trying to solve a 1D transient heat equation problem with a control loop in order to compensate a time variable boundary condition at one  ...
 

- asked by daklems (9 votes), answered by user21 (6 votes)

4.19.1.7 Clarify when to use Style vs Directive vs List

https://mathematica.stackexchange.com/questions/145856/clarify-when-to-use-style-vs-directive-vs-list

 
I am confused about when to use a simple list of style options, the Directive function or the Style function. 
 
As shown below, for simple situations at least, they seem entirely equivalent which  ...
 
- asked by Joe 8votes