Hi Hans, Where is this documentation ? Thank you. Fabrice
Le ven. 4 oct. 2019 à 21:34, Mikael P. Sundqvist <mic...@gmail.com> a écrit : > On Fri, Oct 4, 2019 at 6:11 PM Hans Hagen <j.ha...@xs4all.nl> wrote: > >> Hi, >> >> I uploaded a new lmtx beta. Again some more metafun trickery (see >> luametafun manual). I attached an (lmtx only) example of some experiment >> code, dedicated to Alan Braslau (teacher among other things). >> >> Hans >> >> ----------------------------------------------------------------- >> Hans Hagen | PRAGMA ADE >> Ridderstraat 27 | 8061 GH Hasselt | The Netherlands >> tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl >> ----------------------------------------------------------------- >> >> ___________________________________________________________________________________ >> If your question is of interest to others as well, please add an entry to >> the Wiki! >> >> maillist : ntg-context@ntg.nl / >> http://www.ntg.nl/mailman/listinfo/ntg-context >> webpage : http://www.pragma-ade.nl / http://context.aanhet.net >> archive : https://bitbucket.org/phg/context-mirror/commits/ >> wiki : http://contextgarden.net >> >> ___________________________________________________________________________________ >> > > > Hi, > > I read the new manual with a great joy! This is really nice improvements > of MetaFun! I also like the 3D plots! > > I had the possibility to try out some contour graphics on a freshly > updated system. I have two questions: > > 1) I think the first (blue) plot looks fine and it looks like it could be > the same curve as the blue one in the Mathematica plot (page 3). Why does > my second example (orange) not match with the result from Mathematica > (orange)? (I think I do something wrong) > 2) Is there a way to combine the two contour plots in one MetaFun drawing? > If I add them both to the same, only the last one shows. If I try > functions={"-4+x^2+x^5+15*y-y^2-10*x^3*y^2+5*x*y^4","-15*x+2*x*y+5*x^4*y-10*x^2*y^3+y^5"} > it does not show both either. > > /Mikael > > Test document (output was too big to attach (sorry if it came through to > someone), so I put it at http://www.maths.lth.se/~mickep/polynomnoll.pdf ) > > \starttext > \startMPpage[offset=3bp,instance=doublefun] > draw lmt_contour [ > xmin=-5, > xmax=5, > ymin=-5, > ymax=5, > xstep=0.01, > ystep=0.01, > range={0}, > levels=1, > function="-4+x^2+x^5+15*y-y^2-10*x^3*y^2+5*x*y^4", > linecolor="darkblue", > linewidth=1, > legend=false, > cache=true, > ] xsized 10cm ; > \stopMPpage > > \startMPpage[offset=3bp,instance=doublefun] > draw lmt_contour [ > xmin=-5, > xmax=5, > ymin=-5, > ymax=5, > xstep=0.01, > ystep=0.01, > range={0}, > levels=1, > function="-15*x+2*x*y+5*x^4*y-10*x^2*y^3+y^5", > linecolor="orange", > linewidth=1, > legend=false, > cache=true, > ] xsized 10cm ; > \stopMPpage > > \startbuffer[mmainput] > ContourPlot[ > {-4+x^2+x^5+15y-y^2-10x^3y^2+5x*y^4 == 0, > -15x+2x*y+5*x^4*y-10x^2*y^3+y^5 == 0}, > {x, -5, 5}, {y, -5, 5}, Frame -> False] > \stopbuffer > \startTEXpage[offset=2bp] > \typebuffer[mmainput] > > \externalfigure[mathematicaplot][width=10cm] > \stopTEXpage > \stoptext > > > ___________________________________________________________________________________ > If your question is of interest to others as well, please add an entry to > the Wiki! > > maillist : ntg-context@ntg.nl / > http://www.ntg.nl/mailman/listinfo/ntg-context > webpage : http://www.pragma-ade.nl / http://context.aanhet.net > archive : https://bitbucket.org/phg/context-mirror/commits/ > wiki : http://contextgarden.net > > ___________________________________________________________________________________ >
___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://context.aanhet.net archive : https://bitbucket.org/phg/context-mirror/commits/ wiki : http://contextgarden.net ___________________________________________________________________________________
