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 | | http://functions.wolfram.com/06.06.20.0009.01 | 
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 | | D[Gamma[a, z], {z, \[Alpha]}] == Gamma[a]/(z^\[Alpha] Gamma[1 - \[Alpha]]) - 
   z^(a - \[Alpha]) Gamma[a] Hypergeometric1F1Regularized[a, 
     1 + a - \[Alpha], -z] /;  !(Element[-a, Integers] && -a > 0) | 
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 | | Cell[BoxData[RowBox[List[RowBox[List[RowBox[List[SubscriptBox["\[PartialD]", RowBox[List["{", RowBox[List["z", ",", "\[Alpha]"]], "}"]]], RowBox[List["Gamma", "[", RowBox[List["a", ",", "z"]], "]"]]]], "\[Equal]", RowBox[List[FractionBox[RowBox[List[RowBox[List["Gamma", "[", "a", "]"]], SuperscriptBox["z", RowBox[List["-", "\[Alpha]"]]]]], RowBox[List["Gamma", "[", RowBox[List["1", "-", "\[Alpha]"]], "]"]]], "-", RowBox[List[SuperscriptBox["z", RowBox[List["a", "-", "\[Alpha]"]]], " ", RowBox[List["Gamma", "[", "a", "]"]], " ", RowBox[List["Hypergeometric1F1Regularized", "[", RowBox[List["a", ",", RowBox[List["1", "+", "a", "-", "\[Alpha]"]], ",", RowBox[List["-", "z"]]]], "]"]]]]]]]], "/;", RowBox[List["Not", "[", RowBox[List[RowBox[List[RowBox[List["-", "a"]], "\[Element]", "Integers"]], "\[And]", RowBox[List[RowBox[List["-", "a"]], ">", "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>  <mfrac>  <mrow>  <msup>  <mo> ∂ </mo>  <mi> α </mi>  </msup>  <mrow>  <mi> Γ </mi>  <mo> ⁡ </mo>  <mo> ( </mo>  <mrow>  <mi> a </mi>  <mo> , </mo>  <mi> z </mi>  </mrow>  <mo> ) </mo>  </mrow>  </mrow>  <mrow>  <mo> ∂ </mo>  <msup>  <mi> z </mi>  <mi> α </mi>  </msup>  </mrow>  </mfrac>  <mo> ⩵ </mo>  <mrow>  <mfrac>  <mrow>  <mrow>  <mi> Γ </mi>  <mo> ⁡ </mo>  <mo> ( </mo>  <mi> a </mi>  <mo> ) </mo>  </mrow>  <mo> ⁢ </mo>  <msup>  <mi> z </mi>  <mrow>  <mo> - </mo>  <mi> α </mi>  </mrow>  </msup>  </mrow>  <mrow>  <mi> Γ </mi>  <mo> ⁡ </mo>  <mo> ( </mo>  <mrow>  <mn> 1 </mn>  <mo> - </mo>  <mi> α </mi>  </mrow>  <mo> ) </mo>  </mrow>  </mfrac>  <mo> - </mo>  <mrow>  <msup>  <mi> z </mi>  <mrow>  <mi> a </mi>  <mo> - </mo>  <mi> α </mi>  </mrow>  </msup>  <mo> ⁢ </mo>  <mrow>  <mi> Γ </mi>  <mo> ⁡ </mo>  <mo> ( </mo>  <mi> a </mi>  <mo> ) </mo>  </mrow>  <mo> ⁢ </mo>  <semantics>  <mrow>  <mrow>  <msub>  <mo>   </mo>  <mn> 1 </mn>  </msub>  <msub>  <mover>  <mi> F </mi>  <mo> ~ </mo>  </mover>  <mn> 1 </mn>  </msub>  </mrow>  <mo> ⁡ </mo>  <mrow>  <mo> ( </mo>  <mrow>  <mi> a </mi>  <mo> ; </mo>  <mrow>  <mi> a </mi>  <mo> - </mo>  <mi> α </mi>  <mo> + </mo>  <mn> 1 </mn>  </mrow>  <mo> ; </mo>  <mrow>  <mo> - </mo>  <mi> z </mi>  </mrow>  </mrow>  <mo> ) </mo>  </mrow>  </mrow>  <annotation encoding='Mathematica'> TagBox[TagBox[RowBox[List[RowBox[List[SubscriptBox["\[InvisiblePrefixScriptBase]", FormBox["1", TraditionalForm]], SubscriptBox[OverscriptBox["F", "~"], FormBox["1", TraditionalForm]]]], "\[InvisibleApplication]", RowBox[List["(", RowBox[List[TagBox[TagBox[TagBox["a", Hypergeometric1F1Regularized, Rule[Editable, True]], InterpretTemplate[Function[List[SlotSequence[1]]]]], Hypergeometric1F1Regularized, Rule[Editable, False]], ";", TagBox[TagBox[TagBox[RowBox[List["a", "-", "\[Alpha]", "+", "1"]], Hypergeometric1F1Regularized, Rule[Editable, True]], InterpretTemplate[Function[List[SlotSequence[1]]]]], Hypergeometric1F1Regularized, Rule[Editable, False]], ";", TagBox[RowBox[List["-", "z"]], Hypergeometric1F1Regularized, Rule[Editable, True]]]], ")"]]]], InterpretTemplate[Function[HypergeometricPFQRegularized[Slot[1], Slot[2], Slot[3]]]], Rule[Editable, False]], Hypergeometric1F1Regularized] </annotation>  </semantics>  </mrow>  </mrow>  </mrow>  <mo> /; </mo>  <mrow>  <mrow>  <mo> - </mo>  <mi> a </mi>  </mrow>  <mo> ∉ </mo>  <msup>  <mi> ℕ </mi>  <mo> + </mo>  </msup>  </mrow>  </mrow>  <annotation-xml encoding='MathML-Content'>  <apply>  <ci> Condition </ci>  <apply>  <eq />  <apply>  <partialdiff />  <bvar>  <ci> z </ci>  <degree>  <ci> α </ci>  </degree>  </bvar>  <apply>  <ci> Gamma </ci>  <ci> a </ci>  <ci> z </ci>  </apply>  </apply>  <apply>  <plus />  <apply>  <times />  <apply>  <ci> Gamma </ci>  <ci> a </ci>  </apply>  <apply>  <power />  <ci> z </ci>  <apply>  <times />  <cn type='integer'> -1 </cn>  <ci> α </ci>  </apply>  </apply>  <apply>  <power />  <apply>  <ci> Gamma </ci>  <apply>  <plus />  <cn type='integer'> 1 </cn>  <apply>  <times />  <cn type='integer'> -1 </cn>  <ci> α </ci>  </apply>  </apply>  </apply>  <cn type='integer'> -1 </cn>  </apply>  </apply>  <apply>  <times />  <cn type='integer'> -1 </cn>  <apply>  <times />  <apply>  <power />  <ci> z </ci>  <apply>  <plus />  <ci> a </ci>  <apply>  <times />  <cn type='integer'> -1 </cn>  <ci> α </ci>  </apply>  </apply>  </apply>  <apply>  <ci> Gamma </ci>  <ci> a </ci>  </apply>  <apply>  <ci> Hypergeometric1F1Regularized </ci>  <ci> a </ci>  <apply>  <plus />  <ci> a </ci>  <apply>  <times />  <cn type='integer'> -1 </cn>  <ci> α </ci>  </apply>  <cn type='integer'> 1 </cn>  </apply>  <apply>  <times />  <cn type='integer'> -1 </cn>  <ci> z </ci>  </apply>  </apply>  </apply>  </apply>  </apply>  </apply>  <apply>  <notin />  <apply>  <times />  <cn type='integer'> -1 </cn>  <ci> a </ci>  </apply>  <apply>  <ci> SuperPlus </ci>  <ci> ℕ </ci>  </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["z_", ",", "\[Alpha]_"]], "}"]]]]], RowBox[List["Gamma", "[", RowBox[List["a_", ",", "z_"]], "]"]]]], "]"]], "\[RuleDelayed]", RowBox[List[RowBox[List[FractionBox[RowBox[List[RowBox[List["Gamma", "[", "a", "]"]], " ", SuperscriptBox["z", RowBox[List["-", "\[Alpha]"]]]]], RowBox[List["Gamma", "[", RowBox[List["1", "-", "\[Alpha]"]], "]"]]], "-", RowBox[List[SuperscriptBox["z", RowBox[List["a", "-", "\[Alpha]"]]], " ", RowBox[List["Gamma", "[", "a", "]"]], " ", RowBox[List["Hypergeometric1F1Regularized", "[", RowBox[List["a", ",", RowBox[List["1", "+", "a", "-", "\[Alpha]"]], ",", RowBox[List["-", "z"]]]], "]"]]]]]], "/;", RowBox[List["!", RowBox[List["(", RowBox[List[RowBox[List[RowBox[List["-", "a"]], "\[Element]", "Integers"]], "&&", RowBox[List[RowBox[List["-", "a"]], ">", "0"]]]], ")"]]]]]]]]]] | 
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 | | Date Added to functions.wolfram.com (modification date) | 
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