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reciprocity theorem  

Definition

  • In classical electromagnetism, reciprocity refers to a variety of related theorems involving the interchange of time-harmonic electric current densities (sources) and the resulting electromagnetic fields in Maxwell's equations for time-invariant linear media under certain constraints. Reciprocity is closely related to the concept of symmetric operators from linear algebra, applied to electromagnetism. (Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Reciprocity_(electromagnetism))

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http://data.loterre.fr/ark:/67375/MDL-S3B81MQX-M

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