On Tue, Jan 18, 2011 at 10:51 PM, Robert Bradshaw <[email protected]> wrote: > On Tue, Jan 18, 2011 at 2:35 PM, Daniel Harris > <[email protected]> wrote: >> Hello everybody >> >> I am just looking at sketching graphs and I came across a problem that >> has me stumped. The graph I am trying to sketch is >> >> (x-3) / ( (x+1) * (x-2) ) >> >> now I have plotted the graph in sage on my TI-83 and at wolfram and >> they all different. Now I am thinking is sage right and the others >> wrong? or have I made an error inputting the equation? >> >> I would certainly welcome some help on the issue > > What range are you plotting over? -1 < x < 1? -5 < x < 5? This could > make a big difference on what the graph looks like. Likewise, what is > the scale of the y-axis? I don't think Sage yet tries to remove the > asymptotes at -1 and 2 from the plot. >
-1.5 < x < 3 the y peak at x=2 is the part that bothers me. It doesnt seem to show up on my calc or wolfram alpha? Dan > - Robert > > -- > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > 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 [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/sage-support URL: http://www.sagemath.org
