Re: [sage-devel] Re: A function to compute Bezout coefficients ?
Hi There, On Tue, May 25, 2010 at 01:44:10PM -0700, Robert Bradshaw wrote: On May 25, 2010, at 1:42 PM, ablondin wrote: Thanks ! I would never have guessed the name ! Alex And I had never heard of the term Bezout coefficients :). The is an abbreviation for extended gcd. I think this is pretty standard in the French community. According to Alexandre it seems to be standard also in the French speaking community ;-) Cheers, Florent -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org
[sage-devel] Re: A function to compute Bezout coefficients ?
Thanks ! I would never have guessed the name ! Alex On 25 mai, 16:28, Tim Daly d...@axiom-developer.org wrote: Is anyone else getting duplicate copies of Sage messages? -- Tim Mike Hansen wrote: Hello, I've been looking for a function that allows one to compute Bezout coefficients of two numbers (say natural numbers). There is the GCD function, but I haven't found anything about Bezout coefficients. This is not complicated to write one, but it would be better if it was included somehwere in Sage. Is there already something like that ? You should use xgcd: sage: xgcd(5, 7) (1, 3, -2) sage: g,a,b = xgcd(5, 7) sage: a*5 + b*7 1 --Mike -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org
Re: [sage-devel] Re: A function to compute Bezout coefficients ?
On May 25, 2010, at 1:42 PM, ablondin wrote: Thanks ! I would never have guessed the name ! Alex And I had never heard of the term Bezout coefficients :). The is an abbreviation for extended gcd. On 25 mai, 16:28, Tim Daly d...@axiom-developer.org wrote: Is anyone else getting duplicate copies of Sage messages? -- Tim Mike Hansen wrote: Hello, I've been looking for a function that allows one to compute Bezout coefficients of two numbers (say natural numbers). There is the GCD function, but I haven't found anything about Bezout coefficients. This is not complicated to write one, but it would be better if it was included somehwere in Sage. Is there already something like that ? You should use xgcd: sage: xgcd(5, 7) (1, 3, -2) sage: g,a,b = xgcd(5, 7) sage: a*5 + b*7 1 --Mike -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org
[sage-devel] Re: A function to compute Bezout coefficients ?
In fact, I'm not sure the term Bezout coefficients is standard, but you can find it on Wikipedia. http://en.wikipedia.org/wiki/B%C3%A9zout%27s_identity They also call these Bezout numbers, since they're linked to the Bezout identity. Alex On 25 mai, 16:44, Robert Bradshaw rober...@math.washington.edu wrote: On May 25, 2010, at 1:42 PM, ablondin wrote: Thanks ! I would never have guessed the name ! Alex And I had never heard of the term Bezout coefficients :). The is an abbreviation for extended gcd. On 25 mai, 16:28, Tim Daly d...@axiom-developer.org wrote: Is anyone else getting duplicate copies of Sage messages? -- Tim Mike Hansen wrote: Hello, I've been looking for a function that allows one to compute Bezout coefficients of two numbers (say natural numbers). There is the GCD function, but I haven't found anything about Bezout coefficients. This is not complicated to write one, but it would be better if it was included somehwere in Sage. Is there already something like that ? You should use xgcd: sage: xgcd(5, 7) (1, 3, -2) sage: g,a,b = xgcd(5, 7) sage: a*5 + b*7 1 --Mike -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@googlegroups.com For more options, visit this group athttp://groups.google.com/group/sage-devel URL:http://www.sagemath.org -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org
