6.13.3 Can you answer these questions?

6.13.3.1 How to include a meter in Manipulate that shows a value calculated from the manipulate dynamic variable?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=225465

I'm trying to make a visualization of grid (representing magnetic states) and I want to include a meter that shows a variable calculated from the manipulate index (of the form J1/J2 = (index)*0.1) so  ... 
[manipulate] [visualization]
 

asked by mike1994 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=73104 1 vote

6.13.3.2 Measuring the time remaining until completion for built in functions

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=225436

All of the functions in How to create a progress bar?, the ProgressIndicator built-in and Monitoring lengthy computations estimate the completion time for implementation of operations that are  ... 
[monitoring] [progressindicator]
 

asked by thinkingdude https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=73139 1 vote

6.13.3.3 creating uppertriangularized matrix

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=225231

I am trying to create an uppertriangularized matrix of arbitrary size,max of the form 
{{1,2,3,4,5},{0,1,2,3,4},{0,0,1,2,3},{0,0,0,1,2},{0,0,0,0,1}} 
 
using the code 
table = Table[mu^(j - 1)  ... 
[matrix] [uppertriangularize]
 

asked by Z Ming Ma https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=70345 1 vote