Mathematical Physics - Tensor Analysis : Dummy and Real Indices / Kronecker Delta

Описание к видео Mathematical Physics - Tensor Analysis : Dummy and Real Indices / Kronecker Delta

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The index which is repeated in a term and relative to which Einstein-Summation convention is implied is called a dummy index and the index which is not repeated is called a real index. A dummy index can be freely replaced by another index. Kronecker delta finds a vivid application in tensor theory. These things have been discussed.

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