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Subfactorial




Mathematica Notation

Traditional Notation









Gamma, Beta, Erf > Subfactorial[n] > Specific values > Values at fixed points





http://functions.wolfram.com/06.42.03.0013.01









  


  








Input Form





Subfactorial[-(17/2)] == (3254 I)/20475 + (256 Sqrt[Pi] Erfc[I])/(2027025 E)








Standard Form





Cell[BoxData[RowBox[List[RowBox[List["Subfactorial", "[", RowBox[List["-", FractionBox["17", "2"]]], "]"]], "\[Equal]", RowBox[List[FractionBox[RowBox[List["3254", " ", "\[ImaginaryI]"]], "20475"], "+", FractionBox[RowBox[List["256", " ", SqrtBox["\[Pi]"], " ", RowBox[List["Erfc", "[", "\[ImaginaryI]", "]"]]]], RowBox[List["2027025", " ", "\[ExponentialE]"]]]]]]]]]








MathML Form







<math xmlns='http://www.w3.org/1998/Math/MathML' mathematica:form='TraditionalForm' xmlns:mathematica='http://www.wolfram.com/XML/'> <semantics> <mrow> <mrow> <mi> Subfactorial </mi> <mo> &#8289; </mo> <mo> ( </mo> <mrow> <mo> - </mo> <mfrac> <mn> 17 </mn> <mn> 2 </mn> </mfrac> </mrow> <mo> ) </mo> </mrow> <mo> &#63449; </mo> <mrow> <mfrac> <mrow> <mn> 3254 </mn> <mo> &#8290; </mo> <mi> &#8520; </mi> </mrow> <mn> 20475 </mn> </mfrac> <mo> + </mo> <mfrac> <mrow> <mn> 256 </mn> <mo> &#8290; </mo> <msqrt> <mi> &#960; </mi> </msqrt> <mo> &#8290; </mo> <mrow> <mi> erfc </mi> <mo> &#8289; </mo> <mo> ( </mo> <mi> &#8520; </mi> <mo> ) </mo> </mrow> </mrow> <mrow> <mn> 2027025 </mn> <mo> &#8290; </mo> <mi> &#8519; </mi> </mrow> </mfrac> </mrow> </mrow> <annotation-xml encoding='MathML-Content'> <apply> <eq /> <apply> <ci> Subfactorial </ci> <apply> <times /> <cn type='integer'> -1 </cn> <cn type='rational'> 17 <sep /> 2 </cn> </apply> </apply> <apply> <plus /> <apply> <times /> <cn type='integer'> 3254 </cn> <imaginaryi /> <apply> <power /> <cn type='integer'> 20475 </cn> <cn type='integer'> -1 </cn> </apply> </apply> <apply> <times /> <cn type='integer'> 256 </cn> <apply> <power /> <pi /> <cn type='rational'> 1 <sep /> 2 </cn> </apply> <apply> <ci> Erfc </ci> <imaginaryi /> </apply> <apply> <power /> <apply> <times /> <cn type='integer'> 2027025 </cn> <exponentiale /> </apply> <cn type='integer'> -1 </cn> </apply> </apply> </apply> </apply> </annotation-xml> </semantics> </math>










Rule Form





Cell[BoxData[RowBox[List[RowBox[List["HoldPattern", "[", RowBox[List["Subfactorial", "[", RowBox[List["-", FractionBox["17", "2"]]], "]"]], "]"]], "\[RuleDelayed]", RowBox[List[FractionBox[RowBox[List["3254", " ", "\[ImaginaryI]"]], "20475"], "+", FractionBox[RowBox[List["256", " ", SqrtBox["\[Pi]"], " ", RowBox[List["Erfc", "[", "\[ImaginaryI]", "]"]]]], RowBox[List["2027025", " ", "\[ExponentialE]"]]]]]]]]]


Date Added to functions.wolfram.com (modification date)





2007-05-02