4.49.3 Can you answer these questions?

4.49.3.1 How can I check that a graph is edge weighted, fast?

https://mathematica.stackexchange.com/questions/162391/how-can-i-check-that-a-graph-is-edge-weighted-fast

 
I need to check if a graph is edge-weighted while maintaining good performance. 
 
This should be an easy task, but it is not.  It is a good example of why it is so terribly frustrating to work with  ...
 

- asked by Szabolcs 5votes

4.49.3.2 contour of inside of a volume

https://mathematica.stackexchange.com/questions/162306/contour-of-inside-of-a-volume

 
I have the following volume: 
 
RegionPlot3D[-j^2*y^2 + j*l < 11, {l, 0, 10}, {j, 0, 10}, {y, 0, 1}] 
 
 
However, I am not able to obtain a 2D graph from it (contour), which shows the region inside the  ...
 

- asked by Darrin Cope 1vote

4.49.3.3 Finsler or Lagrange geometry package?

https://mathematica.stackexchange.com/questions/162489/finsler-or-lagrange-geometry-package

 
I was wondering if there exist any packages or examples of work on Finsler-Lagrange geometry. I need it to do symbolic calculations, as for example calculations of non-linear connection coefficients,  ...
 

- asked by Athis Startis 1vote

—