Mathematica 9 is now available

Documentation / Mathematica / Built-in Functions / Mathematical Functions / Generalized and Related Functions /

DiscreteDelta

FilledSmallSquare DiscreteDelta[, , ... ] gives the discrete delta function , equal to 1 if all the are zero, and 0 otherwise.

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

FilledSmallSquare DiscreteDelta has attribute Orderless.

FilledSmallSquare See Section 3.5.12.

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

FilledSmallSquare New in Version 4.

Further Examples



Any questions about topics on this page? Click here to get an individual response.Buy NowMore Information
THIS IS DOCUMENTATION FOR AN OBSOLETE PRODUCT.
SEE THE DOCUMENTATION CENTER FOR THE LATEST INFORMATION.