[sage-support] Turning off readline

2012-12-09 Thread Jim Hefferon
I am trying to turn off the command line readline action.* If that were possible, it would be a big help to me. Does anyone know? I am running Sage on a recent Ubuntu, using a recent install. I believe the readline behavior arises from pyreadline that comes in as part of ipython. I can

[sage-support] Combinatorics / Graph theory question

2012-12-09 Thread Jurgis Pralgauskis
Hi, folks I was playing around with one board-game cards generation :) you can see example with 10 cards http://galvosukykla.lt/rodyk/thumbs.php?p=//stalo_zaidimai/10_cards-single_joins/pngdim=150 *Each couple of cards must have just one same image.* Bruteforce would be

[sage-support] Re: Combinatorics / Graph theory question

2012-12-09 Thread Nathann Cohen
Ahahahahah :-) Beautiful problem ! Not really a graph problem, but a beautiful problem. What do you think of this ? http://www.sagemath.org/doc/reference/sage/combinat/designs/block_design.html#sage.combinat.designs.block_design.steiner_triple_system Does it sound familiar ? But then it only