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 Erfi

 http://functions.wolfram.com/06.28.21.0128.01

 Input Form

 Integrate[E^(a^2 z^2)/Erfi[a z], z] == (Sqrt[Pi] Log[Erfi[a z]])/(2 a)

 Standard Form

 Cell[BoxData[RowBox[List[RowBox[List["\[Integral]", RowBox[List[FractionBox[SuperscriptBox["\[ExponentialE]", RowBox[List[SuperscriptBox["a", "2"], " ", SuperscriptBox["z", "2"]]]], RowBox[List["Erfi", "[", RowBox[List["a", " ", "z"]], "]"]]], RowBox[List["\[DifferentialD]", "z"]]]]]], "\[Equal]", FractionBox[RowBox[List[SqrtBox["\[Pi]"], " ", RowBox[List["Log", "[", RowBox[List["Erfi", "[", RowBox[List["a", " ", "z"]], "]"]], "]"]]]], RowBox[List["2", " ", "a"]]]]]]]

 MathML Form

 a 2 z 2 erfi ( a z ) z π log ( erfi ( a z ) ) 2 a z a 2 z 2 Erfi a z -1 1 2 Erfi a z 2 a -1 [/itex]

 Rule Form

 Cell[BoxData[RowBox[List[RowBox[List["HoldPattern", "[", RowBox[List["\[Integral]", RowBox[List[FractionBox[SuperscriptBox["\[ExponentialE]", RowBox[List[SuperscriptBox["a_", "2"], " ", SuperscriptBox["z_", "2"]]]], RowBox[List["Erfi", "[", RowBox[List["a_", " ", "z_"]], "]"]]], RowBox[List["\[DifferentialD]", "z_"]]]]]], "]"]], "\[RuleDelayed]", FractionBox[RowBox[List[SqrtBox["\[Pi]"], " ", RowBox[List["Log", "[", RowBox[List["Erfi", "[", RowBox[List["a", " ", "z"]], "]"]], "]"]]]], RowBox[List["2", " ", "a"]]]]]]]

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

 2001-10-29