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

[esarcush esarcush]

Dear all,

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

All the bests,
Esa
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