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http://functions.wolfram.com/01.02.24.0011.01
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Product[(k + z)^n + w^n, {k, 0, Infinity}] ==
(2 Pi)^(n/2)/Product[Gamma[z + E^((j/n) 2 Pi I) w], {j, 0, n - 1}] /;
Element[(n - 1)/2, Integers] && n >= 0
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Cell[BoxData[RowBox[List[RowBox[List[RowBox[List[UnderoverscriptBox["\[Product]", RowBox[List["k", "=", "0"]], "\[Infinity]"], RowBox[List["(", RowBox[List[SuperscriptBox[RowBox[List["(", RowBox[List["k", "+", "z"]], ")"]], "n"], "+", SuperscriptBox["w", "n"]]], ")"]]]], "\[Equal]", FractionBox[SuperscriptBox[RowBox[List["(", RowBox[List["2", "\[Pi]"]], ")"]], FractionBox["n", "2"]], RowBox[List[UnderoverscriptBox["\[Product]", RowBox[List["j", "=", "0"]], RowBox[List["n", "-", "1"]]], RowBox[List["Gamma", "[", RowBox[List["z", "+", RowBox[List[SuperscriptBox["\[ExponentialE]", RowBox[List[FractionBox["j", "n"], "2", "\[Pi]", " ", "\[ImaginaryI]"]]], " ", "w"]]]], "]"]]]]]]], "/;", RowBox[List[RowBox[List[FractionBox[RowBox[List["n", "-", "1"]], "2"], "\[Element]", "Integers"]], "\[And]", RowBox[List["n", "\[GreaterEqual]", "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> <munderover> <mo> ∏ </mo> <mrow> <mi> k </mi> <mo> = </mo> <mn> 0 </mn> </mrow> <mi> ∞ </mi> </munderover> <mrow> <mo> ( </mo> <mrow> <msup> <mrow> <mo> ( </mo> <mrow> <mi> k </mi> <mo> + </mo> <mi> z </mi> </mrow> <mo> ) </mo> </mrow> <mi> n </mi> </msup> <mo> + </mo> <msup> <mi> w </mi> <mi> n </mi> </msup> </mrow> <mo> ) </mo> </mrow> </mrow> <mo> ⩵ </mo> <mfrac> <msup> <mrow> <mo> ( </mo> <mrow> <mn> 2 </mn> <mo> ⁢ </mo> <mi> π </mi> </mrow> <mo> ) </mo> </mrow> <mrow> <mi> n </mi> <mo> / </mo> <mn> 2 </mn> </mrow> </msup> <mrow> <munderover> <mo> ∏ </mo> <mrow> <mi> j </mi> <mo> = </mo> <mn> 0 </mn> </mrow> <mrow> <mi> n </mi> <mo> - </mo> <mn> 1 </mn> </mrow> </munderover> <mrow> <mi> Γ </mi> <mo> ⁡ </mo> <mo> ( </mo> <mrow> <mi> z </mi> <mo> + </mo> <mrow> <msup> <mi> ⅇ </mi> <mfrac> <mrow> <mi> j </mi> <mo> ⁢ </mo> <mn> 2 </mn> <mo> ⁢ </mo> <mi> π </mi> <mo> ⁢ </mo> <mi> ⅈ </mi> </mrow> <mi> n </mi> </mfrac> </msup> <mo> ⁢ </mo> <mi> w </mi> </mrow> </mrow> <mo> ) </mo> </mrow> </mrow> </mfrac> </mrow> <mo> /; </mo> <mrow> <mfrac> <mrow> <mi> n </mi> <mo> - </mo> <mn> 1 </mn> </mrow> <mn> 2 </mn> </mfrac> <mo> ∈ </mo> <mi> ℕ </mi> </mrow> </mrow> <annotation-xml encoding='MathML-Content'> <apply> <ci> Condition </ci> <apply> <eq /> <apply> <product /> <bvar> <ci> k </ci> </bvar> <lowlimit> <cn type='integer'> 0 </cn> </lowlimit> <uplimit> <infinity /> </uplimit> <apply> <plus /> <apply> <power /> <apply> <plus /> <ci> k </ci> <ci> z </ci> </apply> <ci> n </ci> </apply> <apply> <power /> <ci> w </ci> <ci> n </ci> </apply> </apply> </apply> <apply> <times /> <apply> <power /> <apply> <times /> <cn type='integer'> 2 </cn> <pi /> </apply> <apply> <times /> <ci> n </ci> <apply> <power /> <cn type='integer'> 2 </cn> <cn type='integer'> -1 </cn> </apply> </apply> </apply> <apply> <power /> <apply> <product /> <bvar> <ci> j </ci> </bvar> <lowlimit> <cn type='integer'> 0 </cn> </lowlimit> <uplimit> <apply> <plus /> <ci> n </ci> <cn type='integer'> -1 </cn> </apply> </uplimit> <apply> <ci> Gamma </ci> <apply> <plus /> <ci> z </ci> <apply> <times /> <apply> <power /> <exponentiale /> <apply> <times /> <ci> j </ci> <cn type='integer'> 2 </cn> <pi /> <imaginaryi /> <apply> <power /> <ci> n </ci> <cn type='integer'> -1 </cn> </apply> </apply> </apply> <ci> w </ci> </apply> </apply> </apply> </apply> <cn type='integer'> -1 </cn> </apply> </apply> </apply> <apply> <in /> <apply> <times /> <apply> <plus /> <ci> n </ci> <cn type='integer'> -1 </cn> </apply> <apply> <power /> <cn type='integer'> 2 </cn> <cn type='integer'> -1 </cn> </apply> </apply> <ci> ℕ </ci> </apply> </apply> </annotation-xml> </semantics> </math>
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| Cell[BoxData[RowBox[List[RowBox[List["HoldPattern", "[", RowBox[List[UnderoverscriptBox["\[Product]", RowBox[List["k_", "=", "0"]], "\[Infinity]"], RowBox[List["(", RowBox[List[SuperscriptBox[RowBox[List["(", RowBox[List["k_", "+", "z_"]], ")"]], "n_"], "+", SuperscriptBox["w_", "n_"]]], ")"]]]], "]"]], "\[RuleDelayed]", RowBox[List[FractionBox[SuperscriptBox[RowBox[List["(", RowBox[List["2", " ", "\[Pi]"]], ")"]], RowBox[List["n", "/", "2"]]], RowBox[List[UnderoverscriptBox["\[Product]", RowBox[List["j", "=", "0"]], RowBox[List["n", "-", "1"]]], RowBox[List["Gamma", "[", RowBox[List["z", "+", RowBox[List[SuperscriptBox["\[ExponentialE]", FractionBox[RowBox[List["j", " ", "2", " ", "\[Pi]", " ", "\[ImaginaryI]"]], "n"]], " ", "w"]]]], "]"]]]]], "/;", RowBox[List[RowBox[List[FractionBox[RowBox[List["n", "-", "1"]], "2"], "\[Element]", "Integers"]], "&&", RowBox[List["n", "\[GreaterEqual]", "0"]]]]]]]]]] |
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Date Added to functions.wolfram.com (modification date)
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