Use .variables >>> d.variables (x, y)
Aaron Meurer On Tue, Jan 1, 2013 at 5:29 AM, <[email protected]> wrote: > Can I query a Derivative to find out with respect to what variables it is a > derivative? > > Example: > > u, x, y = symbols(('u','x','y')) > f=u(x,y) > d=diff(diff(f,x),y) > > print d > Derivative(u(x, y), x, y) > > I can find out that d is something that has been differentiated with respect > to x and y, but would like to be able to do so in a > function that receives d and where the only thing known about is that it is > a derivative. > > -- > You received this message because you are subscribed to the Google Groups > "sympy" group. > To view this discussion on the web visit > https://groups.google.com/d/msg/sympy/-/LhKENsiBMtgJ. > 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/sympy?hl=en. -- You received this message because you are subscribed to the Google Groups "sympy" group. 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/sympy?hl=en.
