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Large-Scale Structures in Acoustics and Electromagnetics: Proceedings of a Symposium
The medium matrix is given by
where ρk,r is the volume density of (inertial) mass and St,j,p,q is the compliance.
Electromagnetic Waves
For electromagnetic waves the spatial differential operator in the system of (3.12) is given by
The medium matrix is found to be
where εk,r is the permittivity and μJ,P is the permeability.