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0 votes

I tried this example from the site:

ex:= \partial{f g};

It returns 0 instead of g∂f

asked in Bug reports by (160 points)

1 Answer

+1 vote

The above works fine with the current version on github. If it does not for you,
either upgrade, or say explicitly that the derivative is with respect to $\tau$,

  ex:= \partial_{\tau}{ f g};

or make $f$ depend on \partial:


Otherwise the 'old' version of Cadabra which you use does not know how to figure out that \partial is a $\tau$-derivative.

answered by (56.2k points)
edited by