[sage-devel] Re: Missing igraph package on the mirrors?

2015-09-01 Thread 'Michele Borassi' via sage-devel
Helloo! Sorry, David already told me about this issue, but I forgot to tell you. The problem is that, probably, the packages should be uploaded on the servers. You can find the correct versions here: igraph: https://drive.google.com/file/d/0B5D_YOccuV6xNFFUYnZFYzg0bkk/view?usp=sharing pyt

Re: [sage-devel] Re: Including external Python libraries

2015-07-20 Thread michele . borassi
Hello! I think I have solved my problem: for future reference, the solution was written in the documentation (http://doc.sagemath.org/html/en/developer/packaging.html). I have opened ticket 18929 (http://trac.sagemath.org/ticket/18929) to include igraph library: hopefully, soon it will be availa

Re: [sage-devel] Re: Including external Python libraries

2015-07-16 Thread michele . borassi
Exactly, Nathann, this is what I meant. Sorry if I was not clear in the first place. Anyway, that command does not work: am I doing anything wrong? Thank you for your time! michele@Lena:~/Programmi/sage$ ./sage -pip install python-igraph Traceback (most recent call last): File "/home/michele/Pr

[sage-devel] Including external Python libraries

2015-07-16 Thread michele . borassi
Hello! I am trying to improve Sage graph module: to this purpose, it would be excellent to add the possibility to interface with igraph, one of the most famous graph libraries [1]. The Python interface offered by igraph [2] uses a complicated installation script [3]. However, the whole library (

[sage-devel] Heuristics to approximate matrix bandwidth

2015-07-13 Thread michele . borassi
Hi all! My name is Michele Borassi, and I recently entered this great community for a Google Summer of Code project. Among other works, I am including in Sage an algorithm for computing the Cuthill-McKee and the King orderings [1,2], which are heuristics used to approximate the bandwidth of a