for a set of n magnetic circuit elements forming a magnetic circuit, matrix expressing the magnetic fluxes Φi in the elements in terms of the current linkages Өj of the elements:
NOTE 1 – A permeance matrix is always symmetric and positive definite.
NOTE 2 – In electromagnetism, the permeance matrix can be defined, for a set of closed paths, as the matrix expressing linear relations between the magnetic fluxes through the surfaces bounded by the paths and the current linkages in the paths.
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