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; }

 ArcCoth

 http://functions.wolfram.com/01.28.16.0172.01

 Input Form

 ArcCoth[x] + ArcCsc[y] == I Pi Floor[(-Arg[1 - 1/x] + Arg[1 + 1/x] + Pi)/(2 Pi)] - 2 I Pi (Floor[((1/2) Arg[(x - 1)/(x + 1)] - Arg[(Sqrt[1 - 1/y^2] + I/y)^(-I)] + Pi)/(2 Pi)] + Floor[((1/2) Im[Log[(x - 1)/(x + 1)]] + Pi)/(2 Pi)] + Floor[(Re[Log[Sqrt[1 - 1/y^2] + I/y]] + Pi)/(2 Pi)]) + I Pi (1 - (-1)^Floor[Arg[1/((Sqrt[1 - 1/y^2] + I/y)^I Sqrt[(x - 1)/(x + 1)]) + 1]/(2 Pi) + 1/2]) + 2 ArcCoth[(1/((Sqrt[1 - 1/y^2] + I/y)^I Sqrt[(x - 1)/(x + 1)]) + 1)/ (1/((Sqrt[1 - 1/y^2] + I/y)^I Sqrt[(x - 1)/(x + 1)]) - 1)]

 Standard Form

 Cell[BoxData[RowBox[List[" ", RowBox[List[RowBox[List[RowBox[List["ArcCoth", "[", "x", "]"]], "+", RowBox[List["ArcCsc", "[", "y", "]"]]]], "\[Equal]", RowBox[List[RowBox[List["\[ImaginaryI]", " ", "\[Pi]", " ", RowBox[List["Floor", "[", FractionBox[RowBox[List[RowBox[List["-", RowBox[List["Arg", "[", RowBox[List["1", "-", FractionBox["1", "x"]]], "]"]]]], "+", RowBox[List["Arg", "[", RowBox[List["1", "+", FractionBox["1", "x"]]], "]"]], "+", "\[Pi]"]], RowBox[List["2", " ", "\[Pi]"]]], "]"]]]], "-", RowBox[List["2", " ", "\[ImaginaryI]", " ", "\[Pi]", " ", RowBox[List["(", RowBox[List[RowBox[List["Floor", "[", FractionBox[RowBox[List[RowBox[List[FractionBox["1", "2"], " ", RowBox[List["Arg", "[", FractionBox[RowBox[List["x", "-", "1"]], RowBox[List["x", "+", "1"]]], "]"]]]], "-", RowBox[List["Arg", "[", SuperscriptBox[RowBox[List["(", RowBox[List[SqrtBox[RowBox[List["1", "-", FractionBox["1", SuperscriptBox["y", "2"]]]]], "+", FractionBox["\[ImaginaryI]", "y"]]], ")"]], RowBox[List["-", "\[ImaginaryI]"]]], "]"]], "+", "\[Pi]"]], RowBox[List["2", " ", "\[Pi]"]]], "]"]], "+", RowBox[List["Floor", "[", FractionBox[RowBox[List[RowBox[List[FractionBox["1", "2"], " ", RowBox[List["Im", "[", RowBox[List["Log", "[", FractionBox[RowBox[List["x", "-", "1"]], RowBox[List["x", "+", "1"]]], "]"]], "]"]]]], "+", "\[Pi]"]], RowBox[List["2", " ", "\[Pi]"]]], "]"]], "+", RowBox[List["Floor", "[", FractionBox[RowBox[List[RowBox[List["Re", "[", RowBox[List["Log", "[", RowBox[List[SqrtBox[RowBox[List["1", "-", FractionBox["1", SuperscriptBox["y", "2"]]]]], "+", FractionBox["\[ImaginaryI]", "y"]]], "]"]], "]"]], "+", "\[Pi]"]], RowBox[List["2", " ", "\[Pi]"]]], "]"]]]], ")"]]]], "+", RowBox[List["\[ImaginaryI]", " ", "\[Pi]", " ", RowBox[List["(", RowBox[List["1", "-", SuperscriptBox[RowBox[List["(", RowBox[List["-", "1"]], ")"]], RowBox[List["Floor", "[", RowBox[List[FractionBox[RowBox[List["Arg", "[", RowBox[List[FractionBox[SuperscriptBox[RowBox[List["(", RowBox[List[SqrtBox[RowBox[List["1", "-", FractionBox["1", SuperscriptBox["y", "2"]]]]], "+", FractionBox["\[ImaginaryI]", "y"]]], ")"]], RowBox[List["-", "\[ImaginaryI]"]]], SqrtBox[FractionBox[RowBox[List["x", "-", "1"]], RowBox[List["x", "+", "1"]]]]], "+", "1"]], "]"]], RowBox[List["2", " ", "\[Pi]"]]], "+", FractionBox["1", "2"]]], "]"]]]]], ")"]]]], "+", RowBox[List["2", " ", RowBox[List["ArcCoth", "[", FractionBox[RowBox[List[FractionBox[SuperscriptBox[RowBox[List["(", RowBox[List[SqrtBox[RowBox[List["1", "-", FractionBox["1", SuperscriptBox["y", "2"]]]]], "+", FractionBox["\[ImaginaryI]", "y"]]], ")"]], RowBox[List["-", "\[ImaginaryI]"]]], SqrtBox[FractionBox[RowBox[List["x", "-", "1"]], RowBox[List["x", "+", "1"]]]]], "+", "1"]], RowBox[List[FractionBox[SuperscriptBox[RowBox[List["(", RowBox[List[SqrtBox[RowBox[List["1", "-", FractionBox["1", SuperscriptBox["y", "2"]]]]], "+", FractionBox["\[ImaginaryI]", "y"]]], ")"]], RowBox[List["-", "\[ImaginaryI]"]]], SqrtBox[FractionBox[RowBox[List["x", "-", "1"]], RowBox[List["x", "+", "1"]]]]], "-", "1"]]], "]"]]]]]]]]]]]]

 MathML Form

 coth - 1 ( x ) + csc - 1 ( y ) π arg ( 1 + 1 x ) - arg ( 1 - 1 x ) + π 2 π - 2 π ( 1 2 arg ( x - 1 x + 1 ) - arg ( ( 1 - 1 y 2 + y ) - ) + π 2 π + 1 2 Im ( log ( x - 1 x + 1 ) ) + π 2 π + Re ( log ( 1 - 1 y 2 + y ) ) + π 2 π ) + π ( 1 - ( - 1 ) arg ( ( 1 - 1 y 2 + y ) - x - 1 x + 1 + 1 ) 2 π + 1 2 ) + 2 coth - 1 ( ( 1 - 1 y 2 + y ) - x - 1 x + 1 + 1 ( 1 - 1 y 2 + y ) - x - 1 x + 1 - 1 ) x y 1 1 x -1 -1 1 -1 1 x -1 2 -1 -1 2 1 2 x -1 x 1 -1 -1 1 -1 1 y 2 -1 1 2 y -1 -1 2 -1 1 2 x -1 x 1 -1 2 -1 1 -1 1 y 2 -1 1 2 y -1 2 -1 1 -1 -1 1 -1 1 y 2 -1 1 2 y -1 -1 x -1 x 1 -1 1 2 -1 1 2 -1 1 2 2 1 -1 1 y 2 -1 1 2 y -1 -1 x -1 x 1 -1 1 2 -1 1 1 -1 1 y 2 -1 1 2 y -1 -1 x -1 x 1 -1 1 2 -1 -1 -1 [/itex]

 Rule Form

 Cell[BoxData[RowBox[List[RowBox[List["HoldPattern", "[", RowBox[List[RowBox[List["ArcCoth", "[", "x_", "]"]], "+", RowBox[List["ArcCsc", "[", "y_", "]"]]]], "]"]], "\[RuleDelayed]", RowBox[List[RowBox[List["\[ImaginaryI]", " ", "\[Pi]", " ", RowBox[List["Floor", "[", FractionBox[RowBox[List[RowBox[List["-", RowBox[List["Arg", "[", RowBox[List["1", "-", FractionBox["1", "x"]]], "]"]]]], "+", RowBox[List["Arg", "[", RowBox[List["1", "+", FractionBox["1", "x"]]], "]"]], "+", "\[Pi]"]], RowBox[List["2", " ", "\[Pi]"]]], "]"]]]], "-", RowBox[List["2", " ", "\[ImaginaryI]", " ", "\[Pi]", " ", RowBox[List["(", RowBox[List[RowBox[List["Floor", "[", FractionBox[RowBox[List[RowBox[List[FractionBox["1", "2"], " ", RowBox[List["Arg", "[", FractionBox[RowBox[List["x", "-", "1"]], RowBox[List["x", "+", "1"]]], "]"]]]], "-", RowBox[List["Arg", "[", SuperscriptBox[RowBox[List["(", RowBox[List[SqrtBox[RowBox[List["1", "-", FractionBox["1", SuperscriptBox["y", "2"]]]]], "+", FractionBox["\[ImaginaryI]", "y"]]], ")"]], RowBox[List["-", "\[ImaginaryI]"]]], "]"]], "+", "\[Pi]"]], RowBox[List["2", " ", "\[Pi]"]]], "]"]], "+", RowBox[List["Floor", "[", FractionBox[RowBox[List[RowBox[List[FractionBox["1", "2"], " ", RowBox[List["Im", "[", RowBox[List["Log", "[", FractionBox[RowBox[List["x", "-", "1"]], RowBox[List["x", "+", "1"]]], "]"]], "]"]]]], "+", "\[Pi]"]], RowBox[List["2", " ", "\[Pi]"]]], "]"]], "+", RowBox[List["Floor", "[", FractionBox[RowBox[List[RowBox[List["Re", "[", RowBox[List["Log", "[", RowBox[List[SqrtBox[RowBox[List["1", "-", FractionBox["1", SuperscriptBox["y", "2"]]]]], "+", FractionBox["\[ImaginaryI]", "y"]]], "]"]], "]"]], "+", "\[Pi]"]], RowBox[List["2", " ", "\[Pi]"]]], "]"]]]], ")"]]]], "+", RowBox[List["\[ImaginaryI]", " ", "\[Pi]", " ", RowBox[List["(", RowBox[List["1", "-", SuperscriptBox[RowBox[List["(", RowBox[List["-", "1"]], ")"]], RowBox[List["Floor", "[", RowBox[List[FractionBox[RowBox[List["Arg", "[", RowBox[List[FractionBox[SuperscriptBox[RowBox[List["(", RowBox[List[SqrtBox[RowBox[List["1", "-", FractionBox["1", SuperscriptBox["y", "2"]]]]], "+", FractionBox["\[ImaginaryI]", "y"]]], ")"]], RowBox[List["-", "\[ImaginaryI]"]]], SqrtBox[FractionBox[RowBox[List["x", "-", "1"]], RowBox[List["x", "+", "1"]]]]], "+", "1"]], "]"]], RowBox[List["2", " ", "\[Pi]"]]], "+", FractionBox["1", "2"]]], "]"]]]]], ")"]]]], "+", RowBox[List["2", " ", RowBox[List["ArcCoth", "[", FractionBox[RowBox[List[FractionBox[SuperscriptBox[RowBox[List["(", RowBox[List[SqrtBox[RowBox[List["1", "-", FractionBox["1", SuperscriptBox["y", "2"]]]]], "+", FractionBox["\[ImaginaryI]", "y"]]], ")"]], RowBox[List["-", "\[ImaginaryI]"]]], SqrtBox[FractionBox[RowBox[List["x", "-", "1"]], RowBox[List["x", "+", "1"]]]]], "+", "1"]], RowBox[List[FractionBox[SuperscriptBox[RowBox[List["(", RowBox[List[SqrtBox[RowBox[List["1", "-", FractionBox["1", SuperscriptBox["y", "2"]]]]], "+", FractionBox["\[ImaginaryI]", "y"]]], ")"]], RowBox[List["-", "\[ImaginaryI]"]]], SqrtBox[FractionBox[RowBox[List["x", "-", "1"]], RowBox[List["x", "+", "1"]]]]], "-", "1"]]], "]"]]]]]]]]]]

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

 2007-05-02