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 EllipticF

 http://functions.wolfram.com/08.05.06.0028.01

 Input Form

 EllipticF[z, m] == (2 (2 Re[Subscript[z, 0]/(2 Pi) - 1/4] + 1) EllipticK[m] - (1/Sqrt[m]) EllipticK[1/m]) (1 + Exp[(-Pi) I (Floor[3/4 + Arg[z - Subscript[z, 0]]/(2 Pi)] + Floor[3/4 - Arg[z - Subscript[z, 0]]/(2 Pi)])]) - Exp[(-Pi) I (Floor[3/4 + Arg[z - Subscript[z, 0]]/(2 Pi)] + Floor[3/4 - Arg[z - Subscript[z, 0]]/(2 Pi)])] EllipticF[Subscript[z, 0], m] + Sum[(1/k!) Sum[(1/j!) Sum[Binomial[j, q] Sum[((-1)^q 2^(q - j) Sin[Subscript[z, 0]]^q (2 p + q - j)^k Binomial[j - q, p] Sum[(Pochhammer[1 - j, 2 (j - i) - 2]/( (j - i - 1)! (2 Sin[Subscript[z, 0]])^(j - 2 i - 1))) Sum[Binomial[i, s] Pochhammer[1/2, s] Pochhammer[1/2, i - s] m^(i - s) Cos[Subscript[z, 0]]^(-1 - 2 s) (1 - m Sin[Subscript[z, 0]]^2)^(-(1/2) - i + s), {s, 0, i}], {i, 0, j - 1}])/E^((1/2) I ((k - 2 p - q + j) Pi + 2 (2 p + q - j) Subscript[z, 0])), {p, 0, j - q}], {q, 0, j - 1}], {j, 1, k}] (z - Subscript[z, 0])^k, {k, 1, Infinity}] /; Element[Re[Subscript[z, 0]/(2 Pi) - 1/4], Integers]

 Standard Form

 Cell[BoxData[RowBox[List[RowBox[List[RowBox[List["EllipticF", "[", RowBox[List["z", ",", "m"]], "]"]], "\[Equal]", RowBox[List[RowBox[List[RowBox[List["(", RowBox[List[RowBox[List["2", RowBox[List["(", RowBox[List[RowBox[List["2", RowBox[List["Re", "[", RowBox[List[FractionBox[SubscriptBox["z", "0"], RowBox[List["2", "\[Pi]"]]], "-", FractionBox["1", "4"]]], "]"]]]], "+", "1"]], ")"]], " ", RowBox[List["EllipticK", "[", "m", "]"]]]], "-", RowBox[List[FractionBox["1", SqrtBox["m"]], " ", RowBox[List["EllipticK", "[", FractionBox["1", "m"], "]"]]]]]], ")"]], RowBox[List["(", RowBox[List["1", "+", RowBox[List["Exp", "[", RowBox[List[RowBox[List["-", "\[Pi]"]], " ", "\[ImaginaryI]", " ", RowBox[List["(", RowBox[List[RowBox[List["Floor", "[", RowBox[List[FractionBox["3", "4"], "+", FractionBox[RowBox[List["Arg", "[", RowBox[List["z", "-", SubscriptBox["z", "0"]]], "]"]], RowBox[List["2", " ", "\[Pi]"]]]]], "]"]], "+", RowBox[List["Floor", "[", RowBox[List[FractionBox["3", "4"], "-", FractionBox[RowBox[List["Arg", "[", RowBox[List["z", "-", SubscriptBox["z", "0"]]], "]"]], RowBox[List["2", " ", "\[Pi]"]]]]], "]"]]]], ")"]]]], "]"]]]], ")"]]]], "-", RowBox[List[RowBox[List["Exp", "[", RowBox[List[RowBox[List["-", "\[Pi]"]], " ", "\[ImaginaryI]", " ", RowBox[List["(", RowBox[List[RowBox[List["Floor", "[", RowBox[List[FractionBox["3", "4"], "+", FractionBox[RowBox[List["Arg", "[", RowBox[List["z", "-", SubscriptBox["z", "0"]]], "]"]], RowBox[List["2", " ", "\[Pi]"]]]]], "]"]], "+", RowBox[List["Floor", "[", RowBox[List[FractionBox["3", "4"], "-", FractionBox[RowBox[List["Arg", "[", RowBox[List["z", "-", SubscriptBox["z", "0"]]], "]"]], RowBox[List["2", " ", "\[Pi]"]]]]], "]"]]]], ")"]]]], "]"]], RowBox[List["EllipticF", "[", RowBox[List[SubscriptBox["z", "0"], ",", "m"]], "]"]]]], "+", RowBox[List[UnderoverscriptBox["\[Sum]", RowBox[List["k", "=", "1"]], "\[Infinity]"], RowBox[List[FractionBox["1", RowBox[List["k", "!"]]], RowBox[List["(", RowBox[List[UnderoverscriptBox["\[Sum]", RowBox[List["j", "=", "1"]], "k"], RowBox[List[FractionBox["1", RowBox[List["j", "!"]]], RowBox[List[UnderoverscriptBox["\[Sum]", RowBox[List["q", "=", "0"]], RowBox[List["j", "-", "1"]]], RowBox[List[RowBox[List["Binomial", "[", RowBox[List["j", ",", "q"]], "]"]], " ", RowBox[List[UnderoverscriptBox["\[Sum]", RowBox[List["p", "=", "0"]], RowBox[List["j", "-", "q"]]], RowBox[List[SuperscriptBox[RowBox[List["(", RowBox[List["-", "1"]], ")"]], "q"], SuperscriptBox["2", RowBox[List["q", "-", "j"]]], " ", SuperscriptBox[RowBox[List["Sin", "[", SubscriptBox["z", "0"], "]"]], "q"], " ", SuperscriptBox[RowBox[List["(", RowBox[List[RowBox[List["2", " ", "p"]], "+", "q", "-", "j"]], ")"]], "k"], SuperscriptBox["\[ExponentialE]", RowBox[List[RowBox[List["-", FractionBox["1", "2"]]], " ", "\[ImaginaryI]", " ", RowBox[List["(", RowBox[List[RowBox[List[RowBox[List["(", RowBox[List["k", "-", RowBox[List["2", " ", "p"]], "-", "q", "+", "j"]], ")"]], " ", "\[Pi]"]], "+", RowBox[List["2", RowBox[List["(", RowBox[List[RowBox[List["2", " ", "p"]], "+", "q", "-", "j"]], ")"]], SubscriptBox["z", "0"]]]]], ")"]]]]], RowBox[List["Binomial", "[", RowBox[List[RowBox[List["j", "-", "q"]], ",", "p"]], "]"]], " ", RowBox[List[UnderoverscriptBox["\[Sum]", RowBox[List["i", "=", "0"]], RowBox[List["j", "-", "1"]]], RowBox[List["(", RowBox[List[FractionBox[RowBox[List["Pochhammer", "[", RowBox[List[RowBox[List["1", "-", "j"]], ",", RowBox[List[RowBox[List["2", " ", RowBox[List["(", RowBox[List["j", "-", "i"]], ")"]]]], "-", "2"]]]], "]"]], RowBox[List[RowBox[List[RowBox[List["(", RowBox[List["j", "-", "i", "-", "1"]], ")"]], "!"]], SuperscriptBox[RowBox[List["(", RowBox[List["2", " ", RowBox[List["Sin", "[", SubscriptBox["z", "0"], "]"]]]], ")"]], RowBox[List["j", "-", RowBox[List["2", " ", "i"]], "-", "1"]]]]]], " ", RowBox[List[UnderoverscriptBox["\[Sum]", RowBox[List["s", "=", "0"]], "i"], RowBox[List[RowBox[List["Binomial", "[", RowBox[List["i", ",", "s"]], "]"]], RowBox[List["Pochhammer", "[", RowBox[List[FractionBox["1", "2"], ",", "s"]], "]"]], " ", RowBox[List["Pochhammer", "[", RowBox[List[FractionBox["1", "2"], ",", RowBox[List["i", "-", "s"]]]], "]"]], " ", SuperscriptBox["m", RowBox[List["i", "-", "s"]]], SuperscriptBox[RowBox[List["Cos", "[", SubscriptBox["z", "0"], "]"]], RowBox[List[RowBox[List["-", "1"]], "-", RowBox[List["2", "s"]]]]], SuperscriptBox[RowBox[List["(", RowBox[List["1", "-", RowBox[List["m", " ", SuperscriptBox[RowBox[List["Sin", "[", SubscriptBox["z", "0"], "]"]], "2"]]]]], ")"]], RowBox[List[RowBox[List["-", FractionBox["1", "2"]]], "-", "i", "+", "s"]]]]]]]]], ")"]]]]]]]]]]]]]]]], ")"]], SuperscriptBox[RowBox[List["(", RowBox[List["z", "-", SubscriptBox["z", "0"]]], ")"]], "k"]]]]]]]]], "/;", RowBox[List[RowBox[List["Re", "[", RowBox[List[FractionBox[SubscriptBox["z", "0"], RowBox[List["2", "\[Pi]"]]], "-", FractionBox["1", "4"]]], "]"]], "\[Element]", "Integers"]]]]]]

 MathML Form

 F ( z m ) ( 2 ( 2 Re ( z 0 2 π - 1 4 ) + 1 ) K ( m ) - 1 m K ( 1 m ) ) ( - π ( arg ( z - z 0 ) 2 π + 3 4 + 3 4 - arg ( z - z 0 ) 2 π ) + 1 ) - - π ( arg ( z - z 0 ) 2 π + 3 4 + 3 4 - arg ( z - z 0 ) 2 π ) F ( z 0 m ) + k = 1 1 k ! j = 1 k 1 j ! q = 0 j - 1 ( j q ) TagBox[RowBox[List["(", GridBox[List[List[TagBox["j", Identity, Rule[Editable, True]]], List[TagBox["q", Identity, Rule[Editable, True]]]]], ")"]], InterpretTemplate[Function[Binomial[Slot[1], Slot[2]]]], Rule[Editable, False]] p = 0 j - q ( - 1 ) q 2 q - j sin q ( z 0 ) ( 2 p + q - j ) k - 1 2 ( π ( j + k - 2 p - q ) + 2 ( 2 p + q - j ) z 0 ) ( j - q p ) TagBox[RowBox[List["(", GridBox[List[List[TagBox[RowBox[List["j", "-", "q"]], Identity, Rule[Editable, True]]], List[TagBox["p", Identity, Rule[Editable, True]]]]], ")"]], InterpretTemplate[Function[Binomial[Slot[1], Slot[2]]]], Rule[Editable, False]] i = 0 j - 1 ( 1 - j ) 2 ( j - i ) - 2 TagBox[SubscriptBox[RowBox[List["(", RowBox[List["1", "-", "j"]], ")"]], RowBox[List[RowBox[List["2", " ", RowBox[List["(", RowBox[List["j", "-", "i"]], ")"]]]], "-", "2"]]], Pochhammer] ( j - i - 1 ) ! ( 2 sin ( z 0 ) ) j - 2 i - 1 s = 0 i ( i s ) TagBox[RowBox[List["(", GridBox[List[List[TagBox["i", Identity, Rule[Editable, True]]], List[TagBox["s", Identity, Rule[Editable, True]]]]], ")"]], InterpretTemplate[Function[Binomial[Slot[1], Slot[2]]]], Rule[Editable, False]] ( 1 2 ) s TagBox[SubscriptBox[RowBox[List["(", FractionBox["1", "2"], ")"]], "s"], Pochhammer] ( 1 2 ) i - s TagBox[SubscriptBox[RowBox[List["(", FractionBox["1", "2"], ")"]], RowBox[List["i", "-", "s"]]], Pochhammer] m i - s cos - 2 s - 1 ( z 0 ) ( 1 - m sin 2 ( z 0 ) ) s - i - 1 2 ( z - z 0 ) k /; Re ( z 0 2 π - 1 4 ) TagBox["\[DoubleStruckCapitalZ]", Function[List[], Integers]] Condition EllipticF z m 2 2 Subscript z 0 2 -1 -1 1 4 1 EllipticK m -1 1 m 1 2 -1 EllipticK 1 m -1 -1 z -1 Subscript z 0 2 -1 3 4 3 4 -1 z -1 Subscript z 0 2 -1 1 -1 -1 z -1 Subscript z 0 2 -1 3 4 3 4 -1 z -1 Subscript z 0 2 -1 EllipticF Subscript z 0 m k 1 1 k -1 j 1 k 1 j -1 q 0 j -1 Binomial j q p 0 j -1 q -1 q 2 q -1 j Subscript z 0 q 2 p q -1 j k -1 1 2 j k -1 2 p -1 q 2 2 p q -1 j Subscript z 0 Binomial j -1 q p i 0 j -1 Pochhammer 1 -1 j 2 j -1 i -2 j -1 i -1 2 Subscript z 0 j -1 2 i -1 -1 s 0 i Binomial i s Pochhammer 1 2 s Pochhammer 1 2 i -1 s m i -1 s Subscript z 0 -2 s -1 1 -1 m Subscript z 0 2 s -1 i -1 1 2 z -1 Subscript z 0 k Subscript z 0 2 -1 -1 1 4 [/itex]

 Rule Form

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

 2007-05-02