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ELECTROMAGNETIC FIELDS AND THEORY: Rectangular Coordinates
1.2.1 Rectangular xp , yp , zp (1)


 
The unitary vectors that indicate the direction in which the coordinates grow are: (2) It’s important that the three axis are oriented toward space in a way that (3) the differential displacement along the mentioned directions will be,
dx , dy ,
dz (4)
dSz =
dx dy (7)





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