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FilledSmallSquare KroneckerDelta[, , ... ] gives the Kronecker delta , equal to 1 if all the are equal, and 0 otherwise.

FilledSmallSquare KroneckerDelta[0] gives 1; KroneckerDelta[n] gives 0 for other numeric n.

FilledSmallSquare KroneckerDelta has attribute Orderless.

FilledSmallSquare See Section 3.2.4.

FilledSmallSquare See also: DiscreteDelta, IdentityMatrix, Equal, UnitStep, If, Signature, DiracDelta.

FilledSmallSquare New in Version 4.

Further Examples