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Results tagged with calculus-and-analysis
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user 11954
Questions related to the calculus and analysis branches of Mathematica, including, but not limited to, limits, derivatives, integrals, series, and residues.
3
votes
Derivatives of a four vector
I found out that FeynCalc has a function for this which is FourDivergence. The above calculations can be done in this package easily as follows ;
FourDivergence[FV[x, $\beta$], FV[x, $\delta$]]
Fo …
- 436
5
votes
2
answers
2k
views
Derivatives of a four vector
How can I take partial derivatives of four vectors in Mathematica?
For instance I need to evaluate following simple terms;
$\frac{\partial x^\beta}{\partial x^\delta} = g^{\beta \delta}$
$\frac{\pa …
- 436