[GiNaC-list] How to differentiate from a Tensor?

[Vladimir V. Kisil]

>>>>> On Fri, 14 Jul 2017 12:15:49 +0430, esarcush esarcush <esarcush at gmail.com> said:

    EE> Dear all, What is right way to have something like \(
    EE> \frac{\partial A^{i}_{jk}}{\partial x} \)? Indeed, I defined a
    EE> tensor "A~i.j.k" and want to differentiate from it with respect
    EE> to "x" e.g.

    For a GiNaC object E its derivative with respect to x is obtained by
  E.diff(x) 
-- 
Vladimir V. Kisil                 http://www.maths.leeds.ac.uk/~kisilv/
  Book:     Geometry of Mobius Transformations     http://goo.gl/EaG2Vu
  Software: Geometry of cycles          http://moebinv.sourceforge.net/