html, body, form { margin: 0; padding: 0; width: 100%; } #calculate { position: relative; width: 177px; height: 110px; background: transparent url(/images/alphabox/embed_functions_inside.gif) no-repeat scroll 0 0; } #i { position: relative; left: 18px; top: 44px; width: 133px; border: 0 none; outline: 0; font-size: 11px; } #eq { width: 9px; height: 10px; background: transparent; position: absolute; top: 47px; right: 18px; cursor: pointer; }

 Erfi

 http://functions.wolfram.com/06.28.21.0093.01

 Input Form

 Integrate[z^3 Cosh[b z^2] Erfi[a z], z] == (-(1/(4 b^2))) ((1/Sqrt[Pi]) (a b z^3 ((E^((a^2 - b) z^2) Sqrt[(-(a^2 - b)) z^2] - (1/2) Sqrt[Pi] (-1 + Erf[Sqrt[(-(a^2 - b)) z^2]]))/ ((-(a^2 - b)) z^2)^(3/2) + ((-E^((a^2 + b) z^2)) Sqrt[(-(a^2 + b)) z^2] + (1/2) Sqrt[Pi] (-1 + Erf[Sqrt[(-(a^2 + b)) z^2]]))/((-(a^2 + b)) z^2)^(3/2))) + (1/(a^4 - b^2)) (a (Sqrt[-a^2 + b] (a^2 + b) Erf[Sqrt[-a^2 + b] z] + (-a^2 + b) Sqrt[a^2 + b] Erfi[Sqrt[a^2 + b] z])) + 2 Erfi[a z] (Cosh[b z^2] - b z^2 Sinh[b z^2]))

 Standard Form

 Cell[BoxData[RowBox[List[RowBox[List["\[Integral]", RowBox[List[SuperscriptBox["z", "3"], " ", RowBox[List["Cosh", "[", RowBox[List["b", " ", SuperscriptBox["z", "2"]]], "]"]], RowBox[List["Erfi", "[", RowBox[List["a", " ", "z"]], "]"]], RowBox[List["\[DifferentialD]", "z"]]]]]], "\[Equal]", RowBox[List[RowBox[List["-", FractionBox["1", RowBox[List["4", " ", SuperscriptBox["b", "2"]]]]]], RowBox[List["(", RowBox[List[RowBox[List[FractionBox["1", SqrtBox["\[Pi]"]], RowBox[List["(", RowBox[List["a", " ", "b", " ", SuperscriptBox["z", "3"], " ", RowBox[List["(", RowBox[List[RowBox[List[RowBox[List["(", RowBox[List[RowBox[List[SuperscriptBox["\[ExponentialE]", RowBox[List[RowBox[List["(", RowBox[List[SuperscriptBox["a", "2"], "-", "b"]], ")"]], " ", SuperscriptBox["z", "2"]]]], " ", SqrtBox[RowBox[List[RowBox[List["-", RowBox[List["(", RowBox[List[SuperscriptBox["a", "2"], "-", "b"]], ")"]]]], " ", SuperscriptBox["z", "2"]]]]]], "-", RowBox[List[FractionBox["1", "2"], " ", SqrtBox["\[Pi]"], " ", RowBox[List["(", RowBox[List[RowBox[List["-", "1"]], "+", RowBox[List["Erf", "[", SqrtBox[RowBox[List[RowBox[List["-", RowBox[List["(", RowBox[List[SuperscriptBox["a", "2"], "-", "b"]], ")"]]]], " ", SuperscriptBox["z", "2"]]]], "]"]]]], ")"]]]]]], ")"]], "/", SuperscriptBox[RowBox[List["(", RowBox[List[RowBox[List["-", RowBox[List["(", RowBox[List[SuperscriptBox["a", "2"], "-", "b"]], ")"]]]], " ", SuperscriptBox["z", "2"]]], ")"]], RowBox[List["3", "/", "2"]]]]], "+", RowBox[List[RowBox[List["(", RowBox[List[RowBox[List[RowBox[List["-", SuperscriptBox["\[ExponentialE]", RowBox[List[RowBox[List["(", RowBox[List[SuperscriptBox["a", "2"], "+", "b"]], ")"]], " ", SuperscriptBox["z", "2"]]]]]], " ", SqrtBox[RowBox[List[RowBox[List["-", RowBox[List["(", RowBox[List[SuperscriptBox["a", "2"], "+", "b"]], ")"]]]], " ", SuperscriptBox["z", "2"]]]]]], "+", RowBox[List[FractionBox["1", "2"], " ", SqrtBox["\[Pi]"], " ", RowBox[List["(", RowBox[List[RowBox[List["-", "1"]], "+", RowBox[List["Erf", "[", SqrtBox[RowBox[List[RowBox[List["-", RowBox[List["(", RowBox[List[SuperscriptBox["a", "2"], "+", "b"]], ")"]]]], " ", SuperscriptBox["z", "2"]]]], "]"]]]], ")"]]]]]], ")"]], "/", SuperscriptBox[RowBox[List["(", RowBox[List[RowBox[List["-", RowBox[List["(", RowBox[List[SuperscriptBox["a", "2"], "+", "b"]], ")"]]]], " ", SuperscriptBox["z", "2"]]], ")"]], RowBox[List["3", "/", "2"]]]]]]], ")"]]]], ")"]]]], "+", RowBox[List[FractionBox["1", RowBox[List[SuperscriptBox["a", "4"], "-", SuperscriptBox["b", "2"]]]], RowBox[List["(", RowBox[List["a", " ", RowBox[List["(", RowBox[List[RowBox[List[SqrtBox[RowBox[List[RowBox[List["-", SuperscriptBox["a", "2"]]], "+", "b"]]], " ", RowBox[List["(", RowBox[List[SuperscriptBox["a", "2"], "+", "b"]], ")"]], " ", RowBox[List["Erf", "[", RowBox[List[SqrtBox[RowBox[List[RowBox[List["-", SuperscriptBox["a", "2"]]], "+", "b"]]], " ", "z"]], "]"]]]], "+", RowBox[List[RowBox[List["(", RowBox[List[RowBox[List["-", SuperscriptBox["a", "2"]]], "+", "b"]], ")"]], " ", SqrtBox[RowBox[List[SuperscriptBox["a", "2"], "+", "b"]]], " ", RowBox[List["Erfi", "[", RowBox[List[SqrtBox[RowBox[List[SuperscriptBox["a", "2"], "+", "b"]]], " ", "z"]], "]"]]]]]], ")"]]]], ")"]]]], "+", RowBox[List["2", " ", RowBox[List["Erfi", "[", RowBox[List["a", " ", "z"]], "]"]], " ", RowBox[List["(", RowBox[List[RowBox[List["Cosh", "[", RowBox[List["b", " ", SuperscriptBox["z", "2"]]], "]"]], "-", RowBox[List["b", " ", SuperscriptBox["z", "2"], " ", RowBox[List["Sinh", "[", RowBox[List["b", " ", SuperscriptBox["z", "2"]]], "]"]]]]]], ")"]]]]]], ")"]]]]]]]]

 MathML Form

 z 3 cosh ( b z 2 ) erfi ( a z ) z - 1 4 b 2 ( 1 π ( a b z 3 ( ( ( a 2 - b ) z 2 - ( a 2 - b ) z 2 - 1 2 π ( erf ( - ( a 2 - b ) z 2 ) - 1 ) ) / ( - ( a 2 - b ) z 2 ) 3 / 2 + ( 1 2 π ( erf ( - ( a 2 + b ) z 2 ) - 1 ) - ( a 2 + b ) z 2 - ( a 2 + b ) z 2 ) / ( - ( a 2 + b ) z 2 ) 3 / 2 ) ) + 1 a 4 - b 2 ( a ( b - a 2 ( a 2 + b ) erf ( b - a 2 z ) + ( b - a 2 ) a 2 + b erfi ( a 2 + b z ) ) ) + 2 erfi ( a z ) ( cosh ( b z 2 ) - b z 2 sinh ( b z 2 ) ) ) z z 3 b z 2 Erfi a z -1 1 4 b 2 -1 1 1 2 -1 a b z 3 a 2 -1 b z 2 -1 a 2 -1 b z 2 1 2 -1 1 2 1 2 Erf -1 a 2 -1 b z 2 1 2 -1 -1 a 2 -1 b z 2 3 2 -1 1 2 1 2 Erf -1 a 2 b z 2 1 2 -1 -1 a 2 b z 2 -1 a 2 b z 2 1 2 -1 a 2 b z 2 3 2 -1 1 a 4 -1 b 2 -1 a b -1 a 2 1 2 a 2 b Erf b -1 a 2 1 2 z b -1 a 2 a 2 b 1 2 Erfi a 2 b 1 2 z 2 Erfi a z b z 2 -1 b z 2 b z 2 [/itex]

 Rule Form

 Cell[BoxData[RowBox[List[RowBox[List["HoldPattern", "[", RowBox[List["\[Integral]", RowBox[List[RowBox[List[SuperscriptBox["z_", "3"], " ", RowBox[List["Cosh", "[", RowBox[List["b_", " ", SuperscriptBox["z_", "2"]]], "]"]], " ", RowBox[List["Erfi", "[", RowBox[List["a_", " ", "z_"]], "]"]]]], RowBox[List["\[DifferentialD]", "z_"]]]]]], "]"]], "\[RuleDelayed]", RowBox[List["-", FractionBox[RowBox[List[FractionBox[RowBox[List["a", " ", "b", " ", SuperscriptBox["z", "3"], " ", RowBox[List["(", RowBox[List[FractionBox[RowBox[List[RowBox[List[SuperscriptBox["\[ExponentialE]", RowBox[List[RowBox[List["(", RowBox[List[SuperscriptBox["a", "2"], "-", "b"]], ")"]], " ", SuperscriptBox["z", "2"]]]], " ", SqrtBox[RowBox[List[RowBox[List["-", RowBox[List["(", RowBox[List[SuperscriptBox["a", "2"], "-", "b"]], ")"]]]], " ", SuperscriptBox["z", "2"]]]]]], "-", RowBox[List[FractionBox["1", "2"], " ", SqrtBox["\[Pi]"], " ", RowBox[List["(", RowBox[List[RowBox[List["-", "1"]], "+", RowBox[List["Erf", "[", SqrtBox[RowBox[List[RowBox[List["-", RowBox[List["(", RowBox[List[SuperscriptBox["a", "2"], "-", "b"]], ")"]]]], " ", SuperscriptBox["z", "2"]]]], "]"]]]], ")"]]]]]], SuperscriptBox[RowBox[List["(", RowBox[List[RowBox[List["-", RowBox[List["(", RowBox[List[SuperscriptBox["a", "2"], "-", "b"]], ")"]]]], " ", SuperscriptBox["z", "2"]]], ")"]], RowBox[List["3", "/", "2"]]]], "+", FractionBox[RowBox[List[RowBox[List[RowBox[List["-", SuperscriptBox["\[ExponentialE]", RowBox[List[RowBox[List["(", RowBox[List[SuperscriptBox["a", "2"], "+", "b"]], ")"]], " ", SuperscriptBox["z", "2"]]]]]], " ", SqrtBox[RowBox[List[RowBox[List["-", RowBox[List["(", RowBox[List[SuperscriptBox["a", "2"], "+", "b"]], ")"]]]], " ", SuperscriptBox["z", "2"]]]]]], "+", RowBox[List[FractionBox["1", "2"], " ", SqrtBox["\[Pi]"], " ", RowBox[List["(", RowBox[List[RowBox[List["-", "1"]], "+", RowBox[List["Erf", "[", SqrtBox[RowBox[List[RowBox[List["-", RowBox[List["(", RowBox[List[SuperscriptBox["a", "2"], "+", "b"]], ")"]]]], " ", SuperscriptBox["z", "2"]]]], "]"]]]], ")"]]]]]], SuperscriptBox[RowBox[List["(", RowBox[List[RowBox[List["-", RowBox[List["(", RowBox[List[SuperscriptBox["a", "2"], "+", "b"]], ")"]]]], " ", SuperscriptBox["z", "2"]]], ")"]], RowBox[List["3", "/", "2"]]]]]], ")"]]]], SqrtBox["\[Pi]"]], "+", FractionBox[RowBox[List["a", " ", RowBox[List["(", RowBox[List[RowBox[List[SqrtBox[RowBox[List[RowBox[List["-", SuperscriptBox["a", "2"]]], "+", "b"]]], " ", RowBox[List["(", RowBox[List[SuperscriptBox["a", "2"], "+", "b"]], ")"]], " ", RowBox[List["Erf", "[", RowBox[List[SqrtBox[RowBox[List[RowBox[List["-", SuperscriptBox["a", "2"]]], "+", "b"]]], " ", "z"]], "]"]]]], "+", RowBox[List[RowBox[List["(", RowBox[List[RowBox[List["-", SuperscriptBox["a", "2"]]], "+", "b"]], ")"]], " ", SqrtBox[RowBox[List[SuperscriptBox["a", "2"], "+", "b"]]], " ", RowBox[List["Erfi", "[", RowBox[List[SqrtBox[RowBox[List[SuperscriptBox["a", "2"], "+", "b"]]], " ", "z"]], "]"]]]]]], ")"]]]], RowBox[List[SuperscriptBox["a", "4"], "-", SuperscriptBox["b", "2"]]]], "+", RowBox[List["2", " ", RowBox[List["Erfi", "[", RowBox[List["a", " ", "z"]], "]"]], " ", RowBox[List["(", RowBox[List[RowBox[List["Cosh", "[", RowBox[List["b", " ", SuperscriptBox["z", "2"]]], "]"]], "-", RowBox[List["b", " ", SuperscriptBox["z", "2"], " ", RowBox[List["Sinh", "[", RowBox[List["b", " ", SuperscriptBox["z", "2"]]], "]"]]]]]], ")"]]]]]], RowBox[List["4", " ", SuperscriptBox["b", "2"]]]]]]]]]]

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

 2001-10-29