Thanks for this. This kind of example should appear in the tutorial of the documentation.
Best regards. Christophe. 2011/12/31 achrzesz <achrz...@wp.pl> > > > On Dec 31, 11:21 am, Christophe BAL <projet...@gmail.com> wrote: > > Hello, > > the following command has a very bad output. > > > > plot(sqrt((x - 2)*(x - 1)), (-4, 5)) + plot(-sqrt((x - 2)*(x - 1)), (-4, > 5)) > > > > How can I ameliorate this ? > > > > Best regards. > > Christophe > > Your function is comlex-valued on the interval (1,2) > so the interval should be excluded > > sage: plot(sqrt((x - 2)*(x - 1)), (-4, > 5),exclude=[1..2],plot_points=1000) + plot(-sqrt((x - 2)*(x - 1)), > (-4, 5),exclude=[1..2],plot_points=3000) > > (other option - construct the graph from 4 pieces) > > -- > 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 > For more options, visit this group at > http://groups.google.com/group/sage-support > URL: http://www.sagemath.org > -- 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 For more options, visit this group at http://groups.google.com/group/sage-support URL: http://www.sagemath.org
