It works now! Thanks so much!

I tried to implement the workaround for visualization mentioned in the previous reply, but it didn't do anything. After doing a little bit of troubleshooting on my own, I managed to get Chrome to open up every time I attempt to visualize something, but that's it -- no picture appears. Are there any ...

Great, thank you for your help!

Ah, I see. Here is the embarrassingly slow code that I came up with to construct the vector e_l-e_{l+i} for a given l and i: my $neweq = new Vector([0]); for(my $j=0;$j<$n;$j++){ if($j==$l){ $neweq = $neweq|new Vector([1]); } elsif($j==$l+$i){ $neweq = $neweq|new Vector([-1]); } else { $neweq = $new...

This worked. Thank you for your help!

I am using Polymake version 3.0 on the Ubuntu Linux subsystem for Windows 10. I installed polymake through the Ubuntu package manager.

Thanks for the response! In my original post I was transcribing and I made an error -- I was actually in the polytope application. So this does not seem to explain my problem.

I am writing a script which involves constructing the vectors e_i-e_j for certain values of i and j. My current code involves a lot of looping and takes a long time, and I am sure that there must be a better way. I saw in the polymake documentation that there is a function called root_system which r...

I have what I suspect is a newbie question regarding writing perl modules for use in the polymake shell. Here is a minimal broken example that demonstrates my problem. I save the following in a file "example.pm" in my working directory: package example; use strict; use warnings; use applic...