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 JacobiCN

 http://functions.wolfram.com/09.26.06.0006.01

 Input Form

 JacobiCN[z, m] \[Proportional] 1 - z^2/2 + (1/24) (1 + 4 m) z^4 + \[Ellipsis] /; (z -> 0)

 Standard Form

 Cell[BoxData[RowBox[List[RowBox[List[RowBox[List["JacobiCN", "[", RowBox[List["z", ",", "m"]], "]"]], "\[Proportional]", RowBox[List["1", "-", FractionBox[SuperscriptBox["z", "2"], "2"], "+", RowBox[List[FractionBox["1", "24"], " ", RowBox[List["(", RowBox[List["1", "+", RowBox[List["4", " ", "m"]]]], ")"]], " ", SuperscriptBox["z", "4"]]], "+", "\[Ellipsis]"]]]], "/;", RowBox[List["(", RowBox[List["z", "\[Rule]", "0"]], ")"]]]]]]

 MathML Form

 cn ( z m ) 1 - z 2 2 + 1 24 ( 1 + 4 m ) z 4 + /; ( z "\[Rule]" 0 ) Condition Proportional JacobiCN z m 1 -1 z 2 2 -1 1 24 1 4 m z 4 Rule z 0 [/itex]

 Rule Form

 Cell[BoxData[RowBox[List[RowBox[List["HoldPattern", "[", RowBox[List["JacobiCN", "[", RowBox[List["z_", ",", "m_"]], "]"]], "]"]], "\[RuleDelayed]", RowBox[List[RowBox[List["1", "-", FractionBox[SuperscriptBox["z", "2"], "2"], "+", RowBox[List[FractionBox["1", "24"], " ", RowBox[List["(", RowBox[List["1", "+", RowBox[List["4", " ", "m"]]]], ")"]], " ", SuperscriptBox["z", "4"]]], "+", "\[Ellipsis]"]], "/;", RowBox[List["(", RowBox[List["z", "\[Rule]", "0"]], ")"]]]]]]]]

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

 2007-05-02