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http://functions.wolfram.com/06.14.03.0017.01
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PolyGamma[-2] == ComplexInfinity
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Cell[BoxData[RowBox[List[RowBox[List["PolyGamma", "[", RowBox[List["-", "2"]], "]"]], "\[Equal]", InterpretationBox["ComplexInfinity", DirectedInfinity[]]]]]]
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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> <semantics> <mi> ψ </mi> <annotation encoding='Mathematica'> TagBox["\[Psi]", PolyGamma] </annotation> </semantics> <mo> ( </mo> <mrow> <mo> - </mo> <mn> 2 </mn> </mrow> <mo> ) </mo> </mrow> <mo> ⩵ </mo> <mover> <mi> ∞ </mi> <mo> ~ </mo> </mover> </mrow> <annotation-xml encoding='MathML-Content'> <apply> <eq /> <apply> <ci> PolyGamma </ci> <cn type='integer'> -2 </cn> </apply> <apply> <ci> OverTilde </ci> <infinity /> </apply> </apply> </annotation-xml> </semantics> </math>
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| Cell[BoxData[RowBox[List[RowBox[List["HoldPattern", "[", RowBox[List["PolyGamma", "[", RowBox[List["-", "2"]], "]"]], "]"]], "\[RuleDelayed]", "ComplexInfinity"]]]] |
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Date Added to functions.wolfram.com (modification date)
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