On Thu, 17 Sep 2009 13:29:01 -0400 Dan Aldrich <[email protected]> wrote:
> y=|x| > 1st derivative should be +1 x>0 and -1,X<0 > > f(x) = abs(x) > Dx = x.derivative() This should be Dx = f.derivative(x) In your example Dx is 1, and the graph is correct. > p1 = plot (f(x),(-5,5),color='black') > p2 = plot (Dx, (0,5),color = 'red') > p3 = plot (Dx, (-5,0),color = 'blue') > show (p1+p2+p3) --~--~---------~--~----~------------~-------~--~----~ 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 URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
