On Tue, Dec 6, 2016 at 12:21 PM, NITIN DARKUNDE <darkundeni...@gmail.com> wrote: > Respected Sir, > Yes sir, I am supposed to calculate Grobner basis for an > ideal in a polynomial ring in 35 variables with coefficients from GF(2). >
Why don't you try it first using a code of length <10? > > On Dec 6, 2016 10:45 PM, "David Joyner" <wdjoy...@gmail.com> wrote: >> >> On Mon, Dec 5, 2016 at 4:56 AM, NITIN DARKUNDE <darkundeni...@gmail.com> >> wrote: >> > Dear group members, >> > I am doing my research in algebraic coding theory. I >> > have >> > started using sage for computations of Grobner bases, but while doing it >> > I >> > have some difficulties.The paper I am reading has been attached >> > herewith. >> > Attachment number 1 of this mail:On page number 486, >> > authors have defined an ideal in equation number 9 and 10 and by using >> > this >> > information and theorem 3.1, authors computed reduced Groebner basis of >> > ternary Golay code(on page 487 of this paper). I constructed this ideal >> > in >> > equation 9 and 10 by using sage and also succeed to get its Grobner >> > basis. >> > Attachment number 2 of this mail:Now I had taken >> > another >> > 6x35 generator matrix of some linear code over GF(2). I computed >> > its(linear >> >> >> Just to clarify, are you asking to compute the GB of an ideal in 35 >> variables? >> >> > code's) length, but while finding parity check matrix of this linear >> > code(using command H=C.check_mat()), I am not getting the output or >> > sometimes I get the output as string index out of range... Does it mean >> > that >> > size of matrix which is 29x35 is too large for sage to show its output. >> > But >> > still I want to see and get the output, Please help me in this >> > context.Next >> > question is related to finding Groebner basis of this ideal, as soon as >> > I >> > use the command I.groebner_basis(), I am not getting any output, whereas >> > in >> > second paragraph example(of this mail), I was getting the output,Please >> > help >> > me in this context. >> > >> > -- >> > You received this message because you are subscribed to the Google >> > Groups >> > "sage-support" group. >> > To unsubscribe from this group and stop receiving emails from it, send >> > an >> > email to sage-support+unsubscr...@googlegroups.com. >> > To post to this group, send email to sage-support@googlegroups.com. >> > Visit this group at https://groups.google.com/group/sage-support. >> > For more options, visit https://groups.google.com/d/optout. >> >> -- >> You received this message because you are subscribed to the Google Groups >> "sage-support" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to sage-support+unsubscr...@googlegroups.com. >> To post to this group, send email to sage-support@googlegroups.com. >> Visit this group at https://groups.google.com/group/sage-support. >> For more options, visit https://groups.google.com/d/optout. > > -- > You received this message because you are subscribed to the Google Groups > "sage-support" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to sage-support+unsubscr...@googlegroups.com. > To post to this group, send email to sage-support@googlegroups.com. > Visit this group at https://groups.google.com/group/sage-support. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support+unsubscr...@googlegroups.com. To post to this group, send email to sage-support@googlegroups.com. Visit this group at https://groups.google.com/group/sage-support. For more options, visit https://groups.google.com/d/optout.
