[sage-support] dividing polynomials without ending up in quotient field

2017-10-18 Thread Robin van der veer
Hello, If I have, say, R = PolynomialRing(QQ, 'x', 5) And I have two polynomials, one of which divides the other. Then I can do f/g but the result will be an element of the fraction field of R, even though it actually lives in R. I can write (f/g).numerator() to get back to R, but I feel

Re: [sage-support] Computation just stops, no output or error message

2017-06-07 Thread Robin van der veer
Thank you! this oom-killer did indeed kill my processes. This solve my problem:) thanks again Op woensdag 7 juni 2017 17:49:13 UTC+2 schreef Jan Groenewald: > > Hi > > On 7 June 2017 at 17:33, Robin van der veer <robin...@gmail.com > > wrote: > >> Hi, >> >

Re: [sage-support] Computation just stops, no output or error message

2017-06-07 Thread Robin van der veer
uses 6/8 of my cores, and 5GB of mem. > > It could be the case the 6 processes combined exceed this 5GB. Would > this > > explain Sage quitting in the way I described? > > > > Op woensdag 7 juni 2017 17:30:37 UTC+2 schreef Jan Groenewald: > >> > >> Hi >

Re: [sage-support] Computation just stops, no output or error message

2017-06-07 Thread Robin van der veer
in the way I described? Op woensdag 7 juni 2017 17:30:37 UTC+2 schreef Jan Groenewald: > > Hi > > On 7 June 2017 at 17:24, Robin van der veer <robin...@gmail.com > > wrote: > >> I'm running Sage on my local machine (so not the sage math cloud), and >> some of my c

[sage-support] Computation just stops, no output or error message

2017-06-07 Thread Robin van der veer
I'm running Sage on my local machine (so not the sage math cloud), and some of my computations just stop with no output or error message. My code looks essentially like this: @parallel def compute(revLex): long computations print some stuff write some stuff to files return r =

[sage-support] Re: Join operation in arbitrary poset

2017-04-04 Thread Robin van der veer
I similar "problem": atoms() is not implemented for the MeetSemilattice, while it certainly makes sense there. Op maandag 3 april 2017 23:57:44 UTC+2 schreef Robin van der veer: > > Hello, > > I wonder if there is any way to use the join or meet operations in > arbi

Re: [sage-support] Join operation in arbitrary poset

2017-04-04 Thread Robin van der veer
C+2 schreef jori.ma...@uta.fi: > > On Mon, 3 Apr 2017, Robin van der veer wrote: > > > I wonder if there is any way to use the join or meet operations in > arbitrary > > posets? > > How fast that should be? The trivial implementation is just 4 lines long, > he

[sage-support] Join operation in arbitrary poset

2017-04-03 Thread Robin van der veer
Hello, I wonder if there is any way to use the join or meet operations in arbitrary posets? It seems that these methods are only exposed in the classes of join- resp. meet semilattices. However, it would be very convenient if these methods were available in general posets somehow, and would