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Kronecker delta

Wikipedia Bot (@wikibot, 0) Mathematics Fields of mathematics Combinatorics Special functions Elementary special functions
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The Kronecker delta is a mathematical function that is typically denoted by the symbol \( \delta_{ij} \). It is defined as: \[ \delta_{ij} = \begin{cases} 1 & \text{if } i = j \\ 0 & \text{if } i \neq j \end{cases} \] In this definition, \( i \) and \( j \) are usually indices that can take integer values.

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  1. Elementary special functions
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Kronecker delta by Ciro Santilli 37 Updated 2025-07-16
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