On 16 April 2014 10:35, omid habibi <omid...@gmail.com> wrote: > Thanks for reply, Can you tell me how should I change the ratio? > > I expect that plot? will tell you -- as I don't know without looking myself, I wil let you look!
> > On Wednesday, April 16, 2014 1:40:04 PM UTC+4:30, John Cremona wrote: > >> For both graphs you have set the x-range to -10..10 but the y-ranges are >> different, and the graph has been scaled so that (as you can see from the >> axes) the aspect ratio is not 1:1. >> >> Try specifying equal y-ranges as well as equal x-ranges. >> >> John Cremona >> >> >> On 16 April 2014 08:29, omid habibi <omi...@gmail.com> wrote: >> >>> Suppose we have two equations >>> p1 = 3x+ 1 >>> p2 = -1/3x + 3 >>> >>> As you may know because of slopes, these two lines must be perpendicular. >>> It's true when I plot it on paper but when I do it in SageMath I get >>> this: >>> >>> sage: p1 = plot( 3*x + 1, -10, 10) >>> sage: p2 = plot( -1/3*x + 3, -10, 10) >>> sage: show ( p1 + p2 ) >>> >>> >>> >>> <http://up.liz.ir/f/6364-tmp_N1rNk.png> >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "sage-support" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to sage-support...@googlegroups.com. >>> To post to this group, send email to sage-s...@googlegroups.com. >>> >>> Visit this group at http://groups.google.com/group/sage-support. >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> -- > You received this message because you are subscribed to the Google Groups > "sage-support" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to sage-support+unsubscr...@googlegroups.com. > To post to this group, send email to sage-support@googlegroups.com. > Visit this group at http://groups.google.com/group/sage-support. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support+unsubscr...@googlegroups.com. To post to this group, send email to sage-support@googlegroups.com. Visit this group at http://groups.google.com/group/sage-support. For more options, visit https://groups.google.com/d/optout.