It is simply joining the points. The plot is actually correct. Attached is the output of
plot(sqrt(2*x^2-3)/(5*x-2), (x,-10,10),ymin=-5,ymax=5,marker='*') which shows that there are no points in the imaginary range. On Wednesday, March 21, 2012 11:13:37 AM UTC+8, Dan Drake wrote: > > plot(sqrt(2*x^2-3)/(5*x-2), (x,-10,10),ymin=-5,ymax=5) > > merrily plots points when the numerator is imaginary: > > > http://aleph.sagemath.org/?z=eJwryMkv0SguLCrRMNKqiDPSNdbU1zDVqtA10tRR0KjQ0TU00DE00NSpzM3Ms9U1BdKJFbammgCoDQ7n > > I don't mind that it complains about failing to evaluate the function, > but the plot is totally wrong. I want something more like: > > http://www.google.com/#q=sqrt(2*x%5E2-3)/(5*x-2) > > > Dan > > -- > --- Dan Drake > ----- http://mathsci.kaist.ac.kr/~drake > ------- > -- 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
<<attachment: tmp_7.png>>