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Question: How to use Intc() and Fundiff() in spherical coordinates?

Question:How to use Intc() and Fundiff() in spherical coordinates?

hendriksdf5 65 Maple 2024
spherical-coordinates physics euler-lagrange
July 05 2024
1

Is there a way to apply Intc() and Fundiff() in spherical coordinates? If I initialize a spherical coordinate system X and then want to calculate the effect with Intc(), r, theta phi and t are integrated from -inf to inf but  thtea:(0, pi) phi:(0, 2Pi). I would also need a second spherical coordinate system Y, if I have understood Fundiff() correctly, but how can I define this Coordinates(X = spherical, Y = spherical) does not work.  

I would like to vary my Lagrange density (16) with respect to f_A(r). Where r is the radial coordinate of the spherical coordinate system.

YANG-MILLS-Theorie.mw
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