On Thursday, 18 October 2012 14:24:45 UTC+8, projetmbc wrote: > > Ok, there is an applet showing on example of the Newton polygon here : > > http://www.math.sc.edu/~filaseta/newton/newton.html > > Don't focus on the definition of the Newton polygon but only on the > graphic. >
well, we can't focus on graphics, we're (mostly) mathematicians, not graphics artists :-) Also, that applet is apparently so old (the page says it's last modified in 1998!) that it doesn't work for me. So better provide a definition of what you need... > > What I need to obtain is a similar result but from the "upper" point of > viex, and the "lower" one. > > Is it more clear now ? If not, I will produce one picture by hand. > > OK, I'm glad that I asked, as this is not what 95% of people mean by a Newton polytope/polygon (and although I even published one paper in number theory --- funnily, with Filaseta, the author of the applet, it was a while ago, and this kind of definition didn't cross my mind). Anyhow, you need a part of the convex hull of a bunch of points in the plane, right? Surely, Sage can do convex hulls. -- You received this message because you are subscribed to the Google Groups "sage-support" group. To post to this group, send email to sage-support@googlegroups.com. To unsubscribe from this group, send email to sage-support+unsubscr...@googlegroups.com. Visit this group at http://groups.google.com/group/sage-support?hl=en.
