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 | | http://functions.wolfram.com/09.01.18.0115.01 | 
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 | | 2 EllipticTheta[2, x, q] EllipticTheta[2, y, q] EllipticTheta[3, x, q] 
   EllipticTheta[3, y, q] - EllipticTheta[2, 0, q] EllipticTheta[3, 0, q] 
   (EllipticTheta[2, x + y, q] EllipticTheta[3, -x + y, q] + 
    EllipticTheta[2, -x + y, q] EllipticTheta[3, x + y, q]) == 0 | 
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 | | Cell[BoxData[RowBox[List[RowBox[List[RowBox[List["2", " ", RowBox[List["EllipticTheta", "[", RowBox[List["2", ",", "x", ",", "q"]], "]"]], " ", RowBox[List["EllipticTheta", "[", RowBox[List["2", ",", "y", ",", "q"]], "]"]], " ", RowBox[List["EllipticTheta", "[", RowBox[List["3", ",", "x", ",", "q"]], "]"]], " ", RowBox[List["EllipticTheta", "[", RowBox[List["3", ",", "y", ",", "q"]], "]"]]]], "-", RowBox[List[RowBox[List["EllipticTheta", "[", RowBox[List["2", ",", "0", ",", "q"]], "]"]], " ", RowBox[List["EllipticTheta", "[", RowBox[List["3", ",", "0", ",", "q"]], "]"]], " ", RowBox[List["(", RowBox[List[RowBox[List[RowBox[List["EllipticTheta", "[", RowBox[List["2", ",", RowBox[List["x", "+", "y"]], ",", "q"]], "]"]], " ", RowBox[List["EllipticTheta", "[", RowBox[List["3", ",", RowBox[List[RowBox[List["-", "x"]], "+", "y"]], ",", "q"]], "]"]]]], "+", RowBox[List[RowBox[List["EllipticTheta", "[", RowBox[List["2", ",", RowBox[List[RowBox[List["-", "x"]], "+", "y"]], ",", "q"]], "]"]], " ", RowBox[List["EllipticTheta", "[", RowBox[List["3", ",", RowBox[List["x", "+", "y"]], ",", "q"]], "]"]]]]]], ")"]]]]]], "\[Equal]", "0"]]]] | 
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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>  <mn> 2 </mn>  <mo> ⁢ </mo>  <mrow>  <msub>  <mi> ϑ </mi>  <mn> 2 </mn>  </msub>  <mo> ( </mo>  <mrow>  <mi> x </mi>  <mo> , </mo>  <mi> q </mi>  </mrow>  <mo> ) </mo>  </mrow>  <mo> ⁢ </mo>  <mrow>  <msub>  <mi> ϑ </mi>  <mn> 2 </mn>  </msub>  <mo> ( </mo>  <mrow>  <mi> y </mi>  <mo> , </mo>  <mi> q </mi>  </mrow>  <mo> ) </mo>  </mrow>  <mo> ⁢ </mo>  <mrow>  <msub>  <mi> ϑ </mi>  <mn> 3 </mn>  </msub>  <mo> ( </mo>  <mrow>  <mi> x </mi>  <mo> , </mo>  <mi> q </mi>  </mrow>  <mo> ) </mo>  </mrow>  <mo> ⁢ </mo>  <mrow>  <msub>  <mi> ϑ </mi>  <mn> 3 </mn>  </msub>  <mo> ( </mo>  <mrow>  <mi> y </mi>  <mo> , </mo>  <mi> q </mi>  </mrow>  <mo> ) </mo>  </mrow>  </mrow>  <mo> - </mo>  <mrow>  <mrow>  <msub>  <mi> ϑ </mi>  <mn> 2 </mn>  </msub>  <mo> ( </mo>  <mrow>  <mn> 0 </mn>  <mo> , </mo>  <mi> q </mi>  </mrow>  <mo> ) </mo>  </mrow>  <mo> ⁢ </mo>  <mrow>  <msub>  <mi> ϑ </mi>  <mn> 3 </mn>  </msub>  <mo> ( </mo>  <mrow>  <mn> 0 </mn>  <mo> , </mo>  <mi> q </mi>  </mrow>  <mo> ) </mo>  </mrow>  <mo> ⁢ </mo>  <mrow>  <mo> ( </mo>  <mrow>  <mrow>  <mrow>  <msub>  <mi> ϑ </mi>  <mn> 2 </mn>  </msub>  <mo> ( </mo>  <mrow>  <mrow>  <mi> x </mi>  <mo> + </mo>  <mi> y </mi>  </mrow>  <mo> , </mo>  <mi> q </mi>  </mrow>  <mo> ) </mo>  </mrow>  <mo> ⁢ </mo>  <mrow>  <msub>  <mi> ϑ </mi>  <mn> 3 </mn>  </msub>  <mo> ( </mo>  <mrow>  <mrow>  <mi> y </mi>  <mo> - </mo>  <mi> x </mi>  </mrow>  <mo> , </mo>  <mi> q </mi>  </mrow>  <mo> ) </mo>  </mrow>  </mrow>  <mo> + </mo>  <mrow>  <mrow>  <msub>  <mi> ϑ </mi>  <mn> 2 </mn>  </msub>  <mo> ( </mo>  <mrow>  <mrow>  <mi> y </mi>  <mo> - </mo>  <mi> x </mi>  </mrow>  <mo> , </mo>  <mi> q </mi>  </mrow>  <mo> ) </mo>  </mrow>  <mo> ⁢ </mo>  <mrow>  <msub>  <mi> ϑ </mi>  <mn> 3 </mn>  </msub>  <mo> ( </mo>  <mrow>  <mrow>  <mi> x </mi>  <mo> + </mo>  <mi> y </mi>  </mrow>  <mo> , </mo>  <mi> q </mi>  </mrow>  <mo> ) </mo>  </mrow>  </mrow>  </mrow>  <mo> ) </mo>  </mrow>  </mrow>  </mrow>  <mo> ⩵ </mo>  <mn> 0 </mn>  </mrow>  <annotation-xml encoding='MathML-Content'>  <apply>  <eq />  <apply>  <plus />  <apply>  <times />  <cn type='integer'> 2 </cn>  <apply>  <ci> EllipticTheta </ci>  <cn type='integer'> 2 </cn>  <ci> x </ci>  <ci> q </ci>  </apply>  <apply>  <ci> EllipticTheta </ci>  <cn type='integer'> 2 </cn>  <ci> y </ci>  <ci> q </ci>  </apply>  <apply>  <ci> EllipticTheta </ci>  <cn type='integer'> 3 </cn>  <ci> x </ci>  <ci> q </ci>  </apply>  <apply>  <ci> EllipticTheta </ci>  <cn type='integer'> 3 </cn>  <ci> y </ci>  <ci> q </ci>  </apply>  </apply>  <apply>  <times />  <cn type='integer'> -1 </cn>  <apply>  <times />  <apply>  <ci> EllipticTheta </ci>  <cn type='integer'> 2 </cn>  <cn type='integer'> 0 </cn>  <ci> q </ci>  </apply>  <apply>  <ci> EllipticTheta </ci>  <cn type='integer'> 3 </cn>  <cn type='integer'> 0 </cn>  <ci> q </ci>  </apply>  <apply>  <plus />  <apply>  <times />  <apply>  <ci> EllipticTheta </ci>  <cn type='integer'> 2 </cn>  <apply>  <plus />  <ci> x </ci>  <ci> y </ci>  </apply>  <ci> q </ci>  </apply>  <apply>  <ci> EllipticTheta </ci>  <cn type='integer'> 3 </cn>  <apply>  <plus />  <ci> y </ci>  <apply>  <times />  <cn type='integer'> -1 </cn>  <ci> x </ci>  </apply>  </apply>  <ci> q </ci>  </apply>  </apply>  <apply>  <times />  <apply>  <ci> EllipticTheta </ci>  <cn type='integer'> 2 </cn>  <apply>  <plus />  <ci> y </ci>  <apply>  <times />  <cn type='integer'> -1 </cn>  <ci> x </ci>  </apply>  </apply>  <ci> q </ci>  </apply>  <apply>  <ci> EllipticTheta </ci>  <cn type='integer'> 3 </cn>  <apply>  <plus />  <ci> x </ci>  <ci> y </ci>  </apply>  <ci> q </ci>  </apply>  </apply>  </apply>  </apply>  </apply>  </apply>  <cn type='integer'> 0 </cn>  </apply>  </annotation-xml>  </semantics>  </math> 
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 | | Cell[BoxData[RowBox[List[RowBox[List["HoldPattern", "[", RowBox[List[RowBox[List["2", " ", RowBox[List["EllipticTheta", "[", RowBox[List["2", ",", "x_", ",", "q_"]], "]"]], " ", RowBox[List["EllipticTheta", "[", RowBox[List["2", ",", "y_", ",", "q_"]], "]"]], " ", RowBox[List["EllipticTheta", "[", RowBox[List["3", ",", "x_", ",", "q_"]], "]"]], " ", RowBox[List["EllipticTheta", "[", RowBox[List["3", ",", "y_", ",", "q_"]], "]"]]]], "-", RowBox[List[RowBox[List["EllipticTheta", "[", RowBox[List["2", ",", "0", ",", "q_"]], "]"]], " ", RowBox[List["EllipticTheta", "[", RowBox[List["3", ",", "0", ",", "q_"]], "]"]], " ", RowBox[List["(", RowBox[List[RowBox[List[RowBox[List["EllipticTheta", "[", RowBox[List["2", ",", RowBox[List["x_", "+", "y_"]], ",", "q_"]], "]"]], " ", RowBox[List["EllipticTheta", "[", RowBox[List["3", ",", RowBox[List[RowBox[List["-", "x_"]], "+", "y_"]], ",", "q_"]], "]"]]]], "+", RowBox[List[RowBox[List["EllipticTheta", "[", RowBox[List["2", ",", RowBox[List[RowBox[List["-", "x_"]], "+", "y_"]], ",", "q_"]], "]"]], " ", RowBox[List["EllipticTheta", "[", RowBox[List["3", ",", RowBox[List["x_", "+", "y_"]], ",", "q_"]], "]"]]]]]], ")"]]]]]], "]"]], "\[RuleDelayed]", "0"]]]] | 
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 | | Date Added to functions.wolfram.com (modification date) | 
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