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DiscreteDelta
 DiscreteDelta[ ,  , ... ] gives the discrete delta function  , equal to 1 if all the  are zero, and 0 otherwise.
DiscreteDelta[0] gives 1; DiscreteDelta[n] gives 0 for other numeric n.
DiscreteDelta has attribute Orderless.
See The Mathematica Book: Section 3.5.12.
See also: IdentityMatrix, UnitStep, If, Signature, DiracDelta.
Further Examples
THIS IS DOCUMENTATION FOR AN OBSOLETE PRODUCT. SEE THE DOCUMENTATION CENTER FOR THE LATEST INFORMATION. | |
