chkwon / pyhygese Goto Github PK

Hello,

is it possible to solve CVRP with time windows with this wrapper?

Thank you,
Darko

Is this wrapper allowing for CVRP with Time Windows? (CVRPTW)
If so, how should I implement it?

Hello, I have been facing some troubles while installing hygese via pip.

I followed the instruction, but when I tried to install hygese an error come up. The error says " cmake isn´t an internal or external command". I´ve installed and added to the path cmake.. So I don´t understand why this is happening.

I am currently using spider on windows 10.

I have tried the HGS algorithm with the sample data set. One major problem I observed is that the algorithm throws the following error when the distance between two cities exceeds 100km.

Error:
EXCEPTION | The distances are of very small or large scale. This could impact numerical stability. Please rescale the dataset and run again.

Process finished with exit code 139 (interrupted by signal 11: SIGSEGV)

Whenever the algorithm is used via wrapper (including test examples, both with the distance matrix and with the coordinates), I always get 0 iterations as a result and a total time for the algorithm's execution that does not conform to the times given to me by the HGS in C++. Furthermore, intermediate iterations are not printed (probably related to the initial problem of 0 iterations).