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 | | http://functions.wolfram.com/05.06.20.0018.01 | 
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 | | D[JacobiP[n, a, b, z], {b, \[Alpha]}] == 
 (1/n!) Sum[(1/Gamma[k - \[Alpha] + 1]) 
    Sum[(Pochhammer[-n, m]/m!) Sum[(-1)^j (1 + a + n)^(j - k) ((z - 1)/2)^m 
        Pochhammer[1 + j - k, k] Pochhammer[1 + a + m, -m + n] 
        StirlingS1[m, j] b^(k - \[Alpha]), {j, 0, m}], {m, 0, n}], {k, 0, n}] | 
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 | | Cell[BoxData[RowBox[List[RowBox[List[SubscriptBox["\[PartialD]", RowBox[List["{", RowBox[List["b", ",", "\[Alpha]"]], "}"]]], RowBox[List["JacobiP", "[", RowBox[List["n", ",", "a", ",", "b", ",", "z"]], "]"]]]], "\[Equal]", RowBox[List[FractionBox["1", RowBox[List["n", "!"]]], RowBox[List[UnderoverscriptBox["\[Sum]", RowBox[List["k", "=", "0"]], "n"], RowBox[List[FractionBox["1", RowBox[List["Gamma", "[", RowBox[List["k", "-", "\[Alpha]", "+", "1"]], "]"]]], RowBox[List[UnderoverscriptBox["\[Sum]", RowBox[List["m", "=", "0"]], "n"], RowBox[List[FractionBox[RowBox[List[RowBox[List["Pochhammer", "[", RowBox[List[RowBox[List["-", "n"]], ",", "m"]], "]"]], " "]], RowBox[List["m", "!"]]], RowBox[List[UnderoverscriptBox["\[Sum]", RowBox[List["j", "=", "0"]], "m"], RowBox[List[SuperscriptBox[RowBox[List["(", RowBox[List["-", "1"]], ")"]], "j"], " ", SuperscriptBox[RowBox[List["(", RowBox[List["1", "+", "a", "+", "n"]], ")"]], RowBox[List["j", "-", "k"]]], " ", SuperscriptBox[RowBox[List["(", FractionBox[RowBox[List["z", "-", "1"]], "2"], ")"]], "m"], " ", RowBox[List["Pochhammer", "[", RowBox[List[RowBox[List["1", "+", "j", "-", "k"]], ",", "k"]], "]"]], " ", RowBox[List["Pochhammer", "[", RowBox[List[RowBox[List["1", "+", "a", "+", "m"]], ",", RowBox[List[RowBox[List["-", "m"]], "+", "n"]]]], "]"]], " ", RowBox[List["StirlingS1", "[", RowBox[List["m", ",", "j"]], "]"]], SuperscriptBox["b", RowBox[List["k", "-", "\[Alpha]"]]]]]]]]]]]]]]]]]]]]] | 
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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>  <mfrac>  <mrow>  <msup>  <mo> ∂ </mo>  <mi> α </mi>  </msup>  <mrow>  <msubsup>  <mi> P </mi>  <mi> n </mi>  <mrow>  <mo> ( </mo>  <mrow>  <mi> a </mi>  <mo> , </mo>  <mi> b </mi>  </mrow>  <mo> ) </mo>  </mrow>  </msubsup>  <mo> ( </mo>  <mi> z </mi>  <mo> ) </mo>  </mrow>  </mrow>  <mrow>  <mo> ∂ </mo>  <msup>  <mi> b </mi>  <mi> α </mi>  </msup>  </mrow>  </mfrac>  <mo>  </mo>  <mrow>  <mfrac>  <mn> 1 </mn>  <mrow>  <mi> n </mi>  <mo> ! </mo>  </mrow>  </mfrac>  <mo> ⁢ </mo>  <mrow>  <munderover>  <mo> ∑ </mo>  <mrow>  <mi> k </mi>  <mo> = </mo>  <mn> 0 </mn>  </mrow>  <mi> n </mi>  </munderover>  <mrow>  <mfrac>  <mn> 1 </mn>  <mrow>  <mi> Γ </mi>  <mo> ⁡ </mo>  <mo> ( </mo>  <mrow>  <mi> k </mi>  <mo> - </mo>  <mi> α </mi>  <mo> + </mo>  <mn> 1 </mn>  </mrow>  <mo> ) </mo>  </mrow>  </mfrac>  <mo> ⁢ </mo>  <mrow>  <munderover>  <mo> ∑ </mo>  <mrow>  <mi> m </mi>  <mo> = </mo>  <mn> 0 </mn>  </mrow>  <mi> n </mi>  </munderover>  <mrow>  <mfrac>  <semantics>  <msub>  <mrow>  <mo> ( </mo>  <mrow>  <mo> - </mo>  <mi> n </mi>  </mrow>  <mo> ) </mo>  </mrow>  <mi> m </mi>  </msub>  <annotation encoding='Mathematica'> TagBox[SubscriptBox[RowBox[List["(", RowBox[List["-", "n"]], ")"]], "m"], Pochhammer] </annotation>  </semantics>  <mrow>  <mi> m </mi>  <mo> ! </mo>  </mrow>  </mfrac>  <mo> ⁢ </mo>  <mrow>  <munderover>  <mo> ∑ </mo>  <mrow>  <mi> j </mi>  <mo> = </mo>  <mn> 0 </mn>  </mrow>  <mi> m </mi>  </munderover>  <mrow>  <msup>  <mrow>  <mo> ( </mo>  <mrow>  <mo> - </mo>  <mn> 1 </mn>  </mrow>  <mo> ) </mo>  </mrow>  <mi> j </mi>  </msup>  <mo> ⁢ </mo>  <msup>  <mrow>  <mo> ( </mo>  <mrow>  <mi> a </mi>  <mo> + </mo>  <mi> n </mi>  <mo> + </mo>  <mn> 1 </mn>  </mrow>  <mo> ) </mo>  </mrow>  <mrow>  <mi> j </mi>  <mo> - </mo>  <mi> k </mi>  </mrow>  </msup>  <mo> ⁢ </mo>  <msup>  <mrow>  <mo> ( </mo>  <mfrac>  <mrow>  <mi> z </mi>  <mo> - </mo>  <mn> 1 </mn>  </mrow>  <mn> 2 </mn>  </mfrac>  <mo> ) </mo>  </mrow>  <mi> m </mi>  </msup>  <mo> ⁢ </mo>  <semantics>  <msub>  <mrow>  <mo> ( </mo>  <mrow>  <mi> j </mi>  <mo> - </mo>  <mi> k </mi>  <mo> + </mo>  <mn> 1 </mn>  </mrow>  <mo> ) </mo>  </mrow>  <mi> k </mi>  </msub>  <annotation encoding='Mathematica'> TagBox[SubscriptBox[RowBox[List["(", RowBox[List["j", "-", "k", "+", "1"]], ")"]], "k"], Pochhammer] </annotation>  </semantics>  <mo> ⁢ </mo>  <semantics>  <msub>  <mrow>  <mo> ( </mo>  <mrow>  <mi> a </mi>  <mo> + </mo>  <mi> m </mi>  <mo> + </mo>  <mn> 1 </mn>  </mrow>  <mo> ) </mo>  </mrow>  <mrow>  <mi> n </mi>  <mo> - </mo>  <mi> m </mi>  </mrow>  </msub>  <annotation encoding='Mathematica'> TagBox[SubscriptBox[RowBox[List["(", RowBox[List["a", "+", "m", "+", "1"]], ")"]], RowBox[List["n", "-", "m"]]], Pochhammer] </annotation>  </semantics>  <mo> ⁢ </mo>  <msubsup>  <semantics>  <mi> S </mi>  <annotation encoding='Mathematica'> TagBox["S", StirlingS1] </annotation>  </semantics>  <mi> m </mi>  <mrow>  <mo> ( </mo>  <mi> j </mi>  <mo> ) </mo>  </mrow>  </msubsup>  <mo> ⁢ </mo>  <msup>  <mi> b </mi>  <mrow>  <mi> k </mi>  <mo> - </mo>  <mi> α </mi>  </mrow>  </msup>  </mrow>  </mrow>  </mrow>  </mrow>  </mrow>  </mrow>  </mrow>  </mrow>  <annotation-xml encoding='MathML-Content'>  <apply>  <eq />  <apply>  <partialdiff />  <bvar>  <ci> b </ci>  <degree>  <ci> α </ci>  </degree>  </bvar>  <apply>  <ci> JacobiP </ci>  <ci> n </ci>  <ci> a </ci>  <ci> b </ci>  <ci> z </ci>  </apply>  </apply>  <apply>  <times />  <apply>  <times />  <cn type='integer'> 1 </cn>  <apply>  <power />  <apply>  <factorial />  <ci> n </ci>  </apply>  <cn type='integer'> -1 </cn>  </apply>  </apply>  <apply>  <sum />  <bvar>  <ci> k </ci>  </bvar>  <lowlimit>  <cn type='integer'> 0 </cn>  </lowlimit>  <uplimit>  <ci> n </ci>  </uplimit>  <apply>  <times />  <apply>  <times />  <cn type='integer'> 1 </cn>  <apply>  <power />  <apply>  <ci> Gamma </ci>  <apply>  <plus />  <ci> k </ci>  <apply>  <times />  <cn type='integer'> -1 </cn>  <ci> α </ci>  </apply>  <cn type='integer'> 1 </cn>  </apply>  </apply>  <cn type='integer'> -1 </cn>  </apply>  </apply>  <apply>  <sum />  <bvar>  <ci> m </ci>  </bvar>  <lowlimit>  <cn type='integer'> 0 </cn>  </lowlimit>  <uplimit>  <ci> n </ci>  </uplimit>  <apply>  <times />  <apply>  <times />  <apply>  <ci> Pochhammer </ci>  <apply>  <times />  <cn type='integer'> -1 </cn>  <ci> n </ci>  </apply>  <ci> m </ci>  </apply>  <apply>  <power />  <apply>  <factorial />  <ci> m </ci>  </apply>  <cn type='integer'> -1 </cn>  </apply>  </apply>  <apply>  <sum />  <bvar>  <ci> j </ci>  </bvar>  <lowlimit>  <cn type='integer'> 0 </cn>  </lowlimit>  <uplimit>  <ci> m </ci>  </uplimit>  <apply>  <times />  <apply>  <power />  <cn type='integer'> -1 </cn>  <ci> j </ci>  </apply>  <apply>  <power />  <apply>  <plus />  <ci> a </ci>  <ci> n </ci>  <cn type='integer'> 1 </cn>  </apply>  <apply>  <plus />  <ci> j </ci>  <apply>  <times />  <cn type='integer'> -1 </cn>  <ci> k </ci>  </apply>  </apply>  </apply>  <apply>  <power />  <apply>  <times />  <apply>  <plus />  <ci> z </ci>  <cn type='integer'> -1 </cn>  </apply>  <apply>  <power />  <cn type='integer'> 2 </cn>  <cn type='integer'> -1 </cn>  </apply>  </apply>  <ci> m </ci>  </apply>  <apply>  <ci> Pochhammer </ci>  <apply>  <plus />  <ci> j </ci>  <apply>  <times />  <cn type='integer'> -1 </cn>  <ci> k </ci>  </apply>  <cn type='integer'> 1 </cn>  </apply>  <ci> k </ci>  </apply>  <apply>  <ci> Pochhammer </ci>  <apply>  <plus />  <ci> a </ci>  <ci> m </ci>  <cn type='integer'> 1 </cn>  </apply>  <apply>  <plus />  <ci> n </ci>  <apply>  <times />  <cn type='integer'> -1 </cn>  <ci> m </ci>  </apply>  </apply>  </apply>  <apply>  <ci> StirlingS1 </ci>  <ci> m </ci>  <ci> j </ci>  </apply>  <apply>  <power />  <ci> b </ci>  <apply>  <plus />  <ci> k </ci>  <apply>  <times />  <cn type='integer'> -1 </cn>  <ci> α </ci>  </apply>  </apply>  </apply>  </apply>  </apply>  </apply>  </apply>  </apply>  </apply>  </apply>  </apply>  </annotation-xml>  </semantics>  </math> 
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 | | Cell[BoxData[RowBox[List[RowBox[List["HoldPattern", "[", RowBox[List[SubscriptBox["\[PartialD]", RowBox[List[RowBox[List["{", RowBox[List["b_", ",", "\[Alpha]_"]], "}"]]]]], RowBox[List["JacobiP", "[", RowBox[List["n_", ",", "a_", ",", "b_", ",", "z_"]], "]"]]]], "]"]], "\[RuleDelayed]", FractionBox[RowBox[List[UnderoverscriptBox["\[Sum]", RowBox[List["k", "=", "0"]], "n"], FractionBox[RowBox[List[UnderoverscriptBox["\[Sum]", RowBox[List["m", "=", "0"]], "n"], FractionBox[RowBox[List[RowBox[List["Pochhammer", "[", RowBox[List[RowBox[List["-", "n"]], ",", "m"]], "]"]], " ", RowBox[List[UnderoverscriptBox["\[Sum]", RowBox[List["j", "=", "0"]], "m"], RowBox[List[SuperscriptBox[RowBox[List["(", RowBox[List["-", "1"]], ")"]], "j"], " ", SuperscriptBox[RowBox[List["(", RowBox[List["1", "+", "a", "+", "n"]], ")"]], RowBox[List["j", "-", "k"]]], " ", SuperscriptBox[RowBox[List["(", FractionBox[RowBox[List["z", "-", "1"]], "2"], ")"]], "m"], " ", RowBox[List["Pochhammer", "[", RowBox[List[RowBox[List["1", "+", "j", "-", "k"]], ",", "k"]], "]"]], " ", RowBox[List["Pochhammer", "[", RowBox[List[RowBox[List["1", "+", "a", "+", "m"]], ",", RowBox[List[RowBox[List["-", "m"]], "+", "n"]]]], "]"]], " ", RowBox[List["StirlingS1", "[", RowBox[List["m", ",", "j"]], "]"]], " ", SuperscriptBox["b", RowBox[List["k", "-", "\[Alpha]"]]]]]]]]], RowBox[List["m", "!"]]]]], RowBox[List["Gamma", "[", RowBox[List["k", "-", "\[Alpha]", "+", "1"]], "]"]]]]], RowBox[List["n", "!"]]]]]]] | 
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 | | Date Added to functions.wolfram.com (modification date) | 
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