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 DiscreteDelta

 http://functions.wolfram.com/04.18.20.0002.01

 Input Form

 D[DiscreteDelta[n], {n, \[Alpha]}] == DiscreteDelta[n]/ (n^\[Alpha] Gamma[1 - \[Alpha]])

 Standard Form

 Cell[BoxData[RowBox[List[RowBox[List[SubscriptBox["\[PartialD]", RowBox[List["{", RowBox[List["n", ",", "\[Alpha]"]], "}"]]], RowBox[List["DiscreteDelta", "[", "n", "]"]]]], "\[Equal]", FractionBox[RowBox[List[SuperscriptBox["n", RowBox[List["-", "\[Alpha]"]]], " ", RowBox[List["DiscreteDelta", "[", "n", "]"]]]], RowBox[List["Gamma", "[", RowBox[List["1", "-", "\[Alpha]"]], "]"]]]]]]]

 MathML Form

 α δ DiscreteDelta ( n ) n α n - α δ DiscreteDelta ( n ) Γ ( 1 - α ) n α DiscreteDelta n n -1 α DiscreteDelta n Gamma 1 -1 α -1 [/itex]

 Rule Form

 Cell[BoxData[RowBox[List[RowBox[List["HoldPattern", "[", RowBox[List[SubscriptBox["\[PartialD]", RowBox[List[RowBox[List["{", RowBox[List["n_", ",", "\[Alpha]_"]], "}"]]]]], RowBox[List["DiscreteDelta", "[", "n_", "]"]]]], "]"]], "\[RuleDelayed]", FractionBox[RowBox[List[SuperscriptBox["n", RowBox[List["-", "\[Alpha]"]]], " ", RowBox[List["DiscreteDelta", "[", "n", "]"]]]], RowBox[List["Gamma", "[", RowBox[List["1", "-", "\[Alpha]"]], "]"]]]]]]]

 Date Added to functions.wolfram.com (modification date)

 2001-10-29