May5-12, 02:27 PM
I'm a bit confused. I'm trying to calculate the curl of a 4 dimensional matrix. It's an attempt to use stokes theorem for 4 dimensions.
The curl can be written as a antisymmetric matrix from what I understand with entries,
Mi,j = d Ai/d j - dAj/di
where i and j would be the different coordinates like x, y, z etc... However, from what I understood if you looked the integral about an infinitesimal square in the x-y plane you could work out the integral as:
(dAy/d x - dAx/dy)ΔxΔy
I was informed that this would gives M1,2 ΔxΔy
which would be wrong, you would get -M12 surely?
So how does the curl look in matrix/ tensor form for 4 dimensions?
Hopefully this makes some sense, sorry if it's a slightly confused question.
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