Kronecker Delta(redirected from deltaij)
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Kronecker delta[′krō·nek·ər ‚del·tə]
The function or symbol δij dependent upon the subscripts i and j which are usually integers; its value is 1 if i = j and 0 if i ≠ j.
a function δnm that is dependent on two integral arguments n and m and is defined by
An example of the use of the Kronecker symbol is
The Kronecker symbol was introduced by L. Kronecker in 1866.