Re: [sage-support] Re: Weber point

2016-04-07 Thread Dima Pasechnik
On Thursday, April 7, 2016 at 2:34:50 PM UTC+1, jori.ma...@uta.fi wrote: > > On Thu, 7 Apr 2016, kcrisman wrote: > > > It's very easy to install a new R package from within Sage, even in > > sagenb, though. r.install_packages('orloca') > > True. Took about two seconds to download, compile and

Re: [sage-support] is_prime() error

2016-04-07 Thread William Stein
On Thursday, April 7, 2016, kcrisman wrote: > >> >> >> >> I think we should change is_prime for rational numbers, since people >> >> get confused by this so much. >> >> >> >> How? Pretty much any change at all would be better than the current >> >> situation. Options I can think of: >> >> >> >>

Re: [sage-support] Re: Weber point

2016-04-07 Thread Jori Mäntysalo
On Thu, 7 Apr 2016, kcrisman wrote: It's very easy to install a new R package from within Sage, even in sagenb, though.  r.install_packages('orloca') True. Took about two seconds to download, compile and install. But I have self-compiled Sage - does it also work in ready-made binary Sage? I

Re: [sage-support] Re: is_prime() error

2016-04-07 Thread kcrisman
> > > >> > >> I think we should change is_prime for rational numbers, since people > >> get confused by this so much. > >> > >> How? Pretty much any change at all would be better than the current > >> situation. Options I can think of: > >> > >> - make is_prime([rational]) raise an error

Re: [sage-support] Re: Weber point

2016-04-07 Thread kcrisman
> > > > This is actually more general problem that comes from the "building a car" > -principle. SageMath contains at least R and GAP, and they both have their > own subpackage system. I think I tried semigroup-package of GAP some time > ago, and there was some complication when installing it i

Re: [sage-support] Re: Weber point

2016-04-07 Thread Jori Mäntysalo
On Thu, 7 Apr 2016, Dominique Laurain wrote: Trying just now in sagemath cloud worksheet r.library('orloca') and it seems no package orlorca (or depth) This is actually more general problem that comes from the "building a car" -principle. SageMath contains at least R and GAP, and they

[sage-support] Re: Weber point

2016-04-07 Thread Dominique Laurain
Trying just now in sagemath cloud worksheet %auto r.library('orloca') and it seems no package orlorca (or depth) > Error in lines 1-1 > Traceback (most recent call last): > File > "/projects/sage/sage-6.10/local/lib/python2.7/site-packages/smc_sagews/sage_server.py", > line 904, in exec