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http://functions.wolfram.com/09.48.16.0002.01
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InverseJacobiSN[Subscript[z, 1], m] + InverseJacobiSN[Subscript[z, 2], m] ==
InverseJacobiSN[
(Subscript[z, 2] Sqrt[(1 - Subscript[z, 1]^2) (1 - m Subscript[z, 1]^2)] +
Subscript[z, 1] Sqrt[(1 - Subscript[z, 2]^2) (1 - m Subscript[z, 2]^2)])/
(1 - m Subscript[z, 1]^2 Subscript[z, 2]^2), m] /;
Element[Subscript[z, 1], Reals] && Element[Subscript[z, 2], Reals] &&
Element[m, Reals] && -(1/m) < Subscript[z, 1] < 1/m &&
-(1/m) < Subscript[z, 2] < 1/m
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Cell[BoxData[RowBox[List[RowBox[List[RowBox[List[RowBox[List["InverseJacobiSN", "[", RowBox[List[SubscriptBox["z", "1"], ",", "m"]], "]"]], "+", RowBox[List["InverseJacobiSN", "[", RowBox[List[SubscriptBox["z", "2"], ",", "m"]], "]"]]]], "\[Equal]", RowBox[List["InverseJacobiSN", "[", RowBox[List[FractionBox[RowBox[List[RowBox[List[SubscriptBox["z", "2"], " ", SqrtBox[RowBox[List[RowBox[List["(", RowBox[List["1", "-", SubsuperscriptBox["z", "1", "2"]]], ")"]], " ", RowBox[List["(", RowBox[List["1", "-", RowBox[List["m", " ", SubsuperscriptBox["z", "1", "2"]]]]], ")"]]]]]]], "+", RowBox[List[SubscriptBox["z", "1"], " ", SqrtBox[RowBox[List[RowBox[List["(", RowBox[List["1", "-", SubsuperscriptBox["z", "2", "2"]]], ")"]], " ", RowBox[List["(", RowBox[List["1", "-", RowBox[List["m", " ", SubsuperscriptBox["z", "2", "2"]]]]], ")"]]]]]]]]], RowBox[List["1", "-", RowBox[List["m", " ", SubsuperscriptBox["z", "1", "2"], " ", SubsuperscriptBox["z", "2", "2"]]]]]], ",", "m"]], "]"]]]], "/;", RowBox[List[RowBox[List[SubscriptBox["z", "1"], "\[Element]", "Reals"]], "\[And]", RowBox[List[SubscriptBox["z", "2"], "\[Element]", "Reals"]], "\[And]", RowBox[List["m", "\[Element]", "Reals"]], "\[And]", RowBox[List[RowBox[List["-", FractionBox["1", "m"]]], "<", SubscriptBox["z", "1"], "<", FractionBox["1", "m"]]], "\[And]", RowBox[List[RowBox[List["-", FractionBox["1", "m"]]], "<", SubscriptBox["z", "2"], "<", FractionBox["1", "m"]]]]]]]]]
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<math xmlns='http://www.w3.org/1998/Math/MathML' mathematica:form='TraditionalForm' xmlns:mathematica='http://www.wolfram.com/XML/'> <semantics> <mrow> <mrow> <mrow> <mrow> <msup> <mi> sn </mi> <mrow> <mo> - </mo> <mn> 1 </mn> </mrow> </msup> <mo> ( </mo> <mrow> <msub> <mi> z </mi> <mn> 1 </mn> </msub> <mo> ❘ </mo> <mi> m </mi> </mrow> <mo> ) </mo> </mrow> <mo> + </mo> <mrow> <msup> <mi> sn </mi> <mrow> <mo> - </mo> <mn> 1 </mn> </mrow> </msup> <mo> ( </mo> <mrow> <msub> <mi> z </mi> <mn> 2 </mn> </msub> <mo> ❘ </mo> <mi> m </mi> </mrow> <mo> ) </mo> </mrow> </mrow> <mo> ⩵ </mo> <mrow> <msup> <mi> sn </mi> <mrow> <mo> - </mo> <mn> 1 </mn> </mrow> </msup> <mo> ( </mo> <mrow> <mfrac> <mrow> <mrow> <msqrt> <mrow> <mrow> <mo> ( </mo> <mrow> <mn> 1 </mn> <mo> - </mo> <msubsup> <mi> z </mi> <mn> 2 </mn> <mn> 2 </mn> </msubsup> </mrow> <mo> ) </mo> </mrow> <mo> ⁢ </mo> <mrow> <mo> ( </mo> <mrow> <mn> 1 </mn> <mo> - </mo> <mrow> <mi> m </mi> <mo> ⁢ </mo> <msubsup> <mi> z </mi> <mn> 2 </mn> <mn> 2 </mn> </msubsup> </mrow> </mrow> <mo> ) </mo> </mrow> </mrow> </msqrt> <mo> ⁢ </mo> <msub> <mi> z </mi> <mn> 1 </mn> </msub> </mrow> <mo> + </mo> <mrow> <msqrt> <mrow> <mrow> <mo> ( </mo> <mrow> <mn> 1 </mn> <mo> - </mo> <msubsup> <mi> z </mi> <mn> 1 </mn> <mn> 2 </mn> </msubsup> </mrow> <mo> ) </mo> </mrow> <mo> ⁢ </mo> <mrow> <mo> ( </mo> <mrow> <mn> 1 </mn> <mo> - </mo> <mrow> <mi> m </mi> <mo> ⁢ </mo> <msubsup> <mi> z </mi> <mn> 1 </mn> <mn> 2 </mn> </msubsup> </mrow> </mrow> <mo> ) </mo> </mrow> </mrow> </msqrt> <mo> ⁢ </mo> <msub> <mi> z </mi> <mn> 2 </mn> </msub> </mrow> </mrow> <mrow> <mn> 1 </mn> <mo> - </mo> <mrow> <mi> m </mi> <mo> ⁢ </mo> <msubsup> <mi> z </mi> <mn> 1 </mn> <mn> 2 </mn> </msubsup> <mo> ⁢ </mo> <msubsup> <mi> z </mi> <mn> 2 </mn> <mn> 2 </mn> </msubsup> </mrow> </mrow> </mfrac> <mo> ❘ </mo> <mi> m </mi> </mrow> <mo> ) </mo> </mrow> </mrow> <mo> /; </mo> <mrow> <mrow> <msub> <mi> z </mi> <mn> 1 </mn> </msub> <mo> ∈ </mo> <semantics> <mi> ℝ </mi> <annotation encoding='Mathematica'> TagBox["\[DoubleStruckCapitalR]", Function[Reals]] </annotation> </semantics> </mrow> <mo> ∧ </mo> <mrow> <msub> <mi> z </mi> <mn> 2 </mn> </msub> <mo> ∈ </mo> <semantics> <mi> ℝ </mi> <annotation encoding='Mathematica'> TagBox["\[DoubleStruckCapitalR]", Function[Reals]] </annotation> </semantics> </mrow> <mo> ∧ </mo> <mrow> <mi> m </mi> <mo> ∈ </mo> <semantics> <mi> ℝ </mi> <annotation encoding='Mathematica'> TagBox["\[DoubleStruckCapitalR]", Function[Reals]] </annotation> </semantics> </mrow> <mo> ∧ </mo> <mrow> <mrow> <mo> - </mo> <mfrac> <mn> 1 </mn> <mi> m </mi> </mfrac> </mrow> <mo> < </mo> <msub> <mi> z </mi> <mn> 1 </mn> </msub> <mo> < </mo> <mfrac> <mn> 1 </mn> <mi> m </mi> </mfrac> </mrow> <mo> ∧ </mo> <mrow> <mrow> <mo> - </mo> <mfrac> <mn> 1 </mn> <mi> m </mi> </mfrac> </mrow> <mo> < </mo> <msub> <mi> z </mi> <mn> 2 </mn> </msub> <mo> < </mo> <mfrac> <mn> 1 </mn> <mi> m </mi> </mfrac> </mrow> </mrow> </mrow> <annotation-xml encoding='MathML-Content'> <apply> <ci> Condition </ci> <apply> <eq /> <apply> <plus /> <apply> <ci> InverseJacobiSN </ci> <apply> <ci> Subscript </ci> <ci> z </ci> <cn type='integer'> 1 </cn> </apply> <ci> m </ci> </apply> <apply> <ci> InverseJacobiSN </ci> <apply> <ci> Subscript </ci> <ci> z </ci> <cn type='integer'> 2 </cn> </apply> <ci> m </ci> </apply> </apply> <apply> <ci> InverseJacobiSN </ci> <apply> <times /> <apply> <plus /> <apply> <times /> <apply> <power /> <apply> <times /> <apply> <plus /> <cn type='integer'> 1 </cn> <apply> <times /> <cn type='integer'> -1 </cn> <apply> <power /> <apply> <ci> Subscript </ci> <ci> z </ci> <cn type='integer'> 2 </cn> </apply> <cn type='integer'> 2 </cn> </apply> </apply> </apply> <apply> <plus /> <cn type='integer'> 1 </cn> <apply> <times /> <cn type='integer'> -1 </cn> <apply> <times /> <ci> m </ci> <apply> <power /> <apply> <ci> Subscript </ci> <ci> z </ci> <cn type='integer'> 2 </cn> </apply> <cn type='integer'> 2 </cn> </apply> </apply> </apply> </apply> </apply> <cn type='rational'> 1 <sep /> 2 </cn> </apply> <apply> <ci> Subscript </ci> <ci> z </ci> <cn type='integer'> 1 </cn> </apply> </apply> <apply> <times /> <apply> <power /> <apply> <times /> <apply> <plus /> <cn type='integer'> 1 </cn> <apply> <times /> <cn type='integer'> -1 </cn> <apply> <power /> <apply> <ci> Subscript </ci> <ci> z </ci> <cn type='integer'> 1 </cn> </apply> <cn type='integer'> 2 </cn> </apply> </apply> </apply> <apply> <plus /> <cn type='integer'> 1 </cn> <apply> <times /> <cn type='integer'> -1 </cn> <apply> <times /> <ci> m </ci> <apply> <power /> <apply> <ci> Subscript </ci> <ci> z </ci> <cn type='integer'> 1 </cn> </apply> <cn type='integer'> 2 </cn> </apply> </apply> </apply> </apply> </apply> <cn type='rational'> 1 <sep /> 2 </cn> </apply> <apply> <ci> Subscript </ci> <ci> z </ci> <cn type='integer'> 2 </cn> </apply> </apply> </apply> <apply> <power /> <apply> <plus /> <cn type='integer'> 1 </cn> <apply> <times /> <cn type='integer'> -1 </cn> <apply> <times /> <ci> m </ci> <apply> <power /> <apply> <ci> Subscript </ci> <ci> z </ci> <cn type='integer'> 1 </cn> </apply> <cn type='integer'> 2 </cn> </apply> <apply> <power /> <apply> <ci> Subscript </ci> <ci> z </ci> <cn type='integer'> 2 </cn> </apply> <cn type='integer'> 2 </cn> </apply> </apply> </apply> </apply> <cn type='integer'> -1 </cn> </apply> </apply> <ci> m </ci> </apply> </apply> <apply> <and /> <apply> <in /> <apply> <ci> Subscript </ci> <ci> z </ci> <cn type='integer'> 1 </cn> </apply> <reals /> </apply> <apply> <in /> <apply> <ci> Subscript </ci> <ci> z </ci> <cn type='integer'> 2 </cn> </apply> <reals /> </apply> <apply> <in /> <ci> m </ci> <reals /> </apply> <apply> <lt /> <apply> <times /> <cn type='integer'> -1 </cn> <apply> <times /> <cn type='integer'> 1 </cn> <apply> <power /> <ci> m </ci> <cn type='integer'> -1 </cn> </apply> </apply> </apply> <apply> <ci> Subscript </ci> <ci> z </ci> <cn type='integer'> 1 </cn> </apply> <apply> <times /> <cn type='integer'> 1 </cn> <apply> <power /> <ci> m </ci> <cn type='integer'> -1 </cn> </apply> </apply> </apply> <apply> <lt /> <apply> <times /> <cn type='integer'> -1 </cn> <apply> <times /> <cn type='integer'> 1 </cn> <apply> <power /> <ci> m </ci> <cn type='integer'> -1 </cn> </apply> </apply> </apply> <apply> <ci> Subscript </ci> <ci> z </ci> <cn type='integer'> 2 </cn> </apply> <apply> <times /> <cn type='integer'> 1 </cn> <apply> <power /> <ci> m </ci> <cn type='integer'> -1 </cn> </apply> </apply> </apply> </apply> </apply> </annotation-xml> </semantics> </math>
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| Cell[BoxData[RowBox[List[RowBox[List["HoldPattern", "[", RowBox[List[RowBox[List["InverseJacobiSN", "[", RowBox[List[SubscriptBox["z_", "1"], ",", "m_"]], "]"]], "+", RowBox[List["InverseJacobiSN", "[", RowBox[List[SubscriptBox["z_", "2"], ",", "m_"]], "]"]]]], "]"]], "\[RuleDelayed]", RowBox[List[RowBox[List["InverseJacobiSN", "[", RowBox[List[FractionBox[RowBox[List[RowBox[List[SubscriptBox["zz", "2"], " ", SqrtBox[RowBox[List[RowBox[List["(", RowBox[List["1", "-", SubsuperscriptBox["zz", "1", "2"]]], ")"]], " ", RowBox[List["(", RowBox[List["1", "-", RowBox[List["m", " ", SubsuperscriptBox["zz", "1", "2"]]]]], ")"]]]]]]], "+", RowBox[List[SubscriptBox["zz", "1"], " ", SqrtBox[RowBox[List[RowBox[List["(", RowBox[List["1", "-", SubsuperscriptBox["zz", "2", "2"]]], ")"]], " ", RowBox[List["(", RowBox[List["1", "-", RowBox[List["m", " ", SubsuperscriptBox["zz", "2", "2"]]]]], ")"]]]]]]]]], RowBox[List["1", "-", RowBox[List["m", " ", SubsuperscriptBox["zz", "1", "2"], " ", SubsuperscriptBox["zz", "2", "2"]]]]]], ",", "m"]], "]"]], "/;", RowBox[List[RowBox[List[SubscriptBox["zz", "1"], "\[Element]", "Reals"]], "&&", RowBox[List[SubscriptBox["zz", "2"], "\[Element]", "Reals"]], "&&", RowBox[List["m", "\[Element]", "Reals"]], "&&", RowBox[List[RowBox[List["-", FractionBox["1", "m"]]], "<", SubscriptBox["zz", "1"], "<", FractionBox["1", "m"]]], "&&", RowBox[List[RowBox[List["-", FractionBox["1", "m"]]], "<", SubscriptBox["zz", "2"], "<", FractionBox["1", "m"]]]]]]]]]]] |
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Date Added to functions.wolfram.com (modification date)
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