Kronecker delta

noun
Kro·​neck·​er delta | \ ˈkrō-ˌne-kər- How to pronounce Kronecker delta (audio) \

Definition of Kronecker delta

: a function of two variables that is 1 when the variables have the same value and is 0 when they have different values

First Known Use of Kronecker delta

1926, in the meaning defined above

History and Etymology for Kronecker delta

Leopold Kronecker †1891 German mathematician

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