Kronecker delta

English dictionary entry

Meanings

noun

A binary function, written as δ with two subscripts, which evaluates to 1 when its arguments are equal, and 0 otherwise.
A unary function, written as δ with a single index, which evaluates to 1 at zero, and 0 elsewhere.

Kronecker delta Kronecker deltas

Named after German mathematician Leopold Kronecker (1823–1891)

Kronecker tensor substitution tensor

Dirac delta Dirac delta function Dirac measure Iverson bracket Kronecker product Kronecker symbol Levi-Civita symbol

generalized Kronecker delta

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