[sage-devel] Re: sage -br broken after creating new directory

2014-11-08 Thread Nathann Cohen
Did you try a touch * in the algebras folder (and possibly subfolders) before re-trying sage -br ? Nathann -- You received this message because you are subscribed to the Google Groups sage-devel group. To unsubscribe from this group and stop receiving emails from it, send an email to

[sage-devel] Re: sage -br broken after creating new directory

2014-11-08 Thread Volker Braun
The crash in iwahori_hecke_algebras is generally a symptom of you changing the import order on startup. Don't do it unless you know what you are doing. Use lazy imports for your additions unless you think that they are so fundamental that they should always be loaded on startup... On

[sage-devel] Re: sage -br broken after creating new directory

2014-11-08 Thread Nathann Cohen
The crash in iwahori_hecke_algebras is generally a symptom of you changing the import order on startup. Don't do it unless you know what you are doing. Use lazy imports for your additions unless you think that they are so fundamental that they should always be loaded on startup...

Re: [sage-devel] Re: Slowness in comparing symbolic expressions

2014-11-08 Thread rjf
if you are looking to proof equivalence to zero, you could use the zeroequiv command in maxima, which is going to be, in general, pretty fast. But as i recall, if it says false that merely means it could not prove the expression is zero. Look for discussion of bugs / features in maxima