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 LaguerreL

 http://functions.wolfram.com/05.02.11.0001.01

 Input Form

 LaguerreL[n, z] == SeriesTerm[Exp[(t z)/(t - 1)]/(1 - t), {t, 0, n}]

 Standard Form

 Cell[BoxData[RowBox[List[RowBox[List["LaguerreL", "[", RowBox[List["n", ",", "z"]], "]"]], "\[Equal]", RowBox[List["SeriesTerm", "[", RowBox[List[RowBox[List[SuperscriptBox[RowBox[List["(", RowBox[List["1", "-", "t"]], ")"]], RowBox[List["-", "1"]]], " ", RowBox[List["Exp", "[", FractionBox[RowBox[List["t", " ", "z"]], RowBox[List["t", "-", "1"]]], "]"]]]], ",", RowBox[List["{", RowBox[List["t", ",", "0", ",", "n"]], "}"]]]], "]"]]]]]]

 MathML Form

 L n ( z ) ( [ t n ] ( 1 - t ) - 1 exp ( t z t - 1 ) ) L n ( z ) ( [ t n ] ( 1 - t ) - 1 exp ( t z t - 1 ) ) [/itex]

 Rule Form

 Cell[BoxData[RowBox[List[RowBox[List["HoldPattern", "[", RowBox[List["LaguerreL", "[", RowBox[List["n_", ",", "z_"]], "]"]], "]"]], "\[RuleDelayed]", RowBox[List["SeriesTerm", "[", RowBox[List[FractionBox[SuperscriptBox["\[ExponentialE]", FractionBox[RowBox[List["t", " ", "z"]], RowBox[List["t", "-", "1"]]]], RowBox[List["1", "-", "t"]]], ",", RowBox[List["{", RowBox[List["t", ",", "0", ",", "n"]], "}"]]]], "]"]]]]]]

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

 2001-10-29