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 Log

 http://functions.wolfram.com/01.05.27.0007.01

 Input Form

 Log[z^(1/a), z] == a /; Inequality[-Pi, Less, Im[Log[z]/a], LessEqual, Pi]

 Standard Form

 Cell[BoxData[RowBox[List[RowBox[List[RowBox[List["Log", "[", RowBox[List[SuperscriptBox["z", FractionBox["1", "a"]], ",", "z"]], "]"]], "\[Equal]", "a"]], "/;", RowBox[List[RowBox[List["-", "\[Pi]"]], "<", RowBox[List["Im", "[", FractionBox[RowBox[List["Log", "[", "z", "]"]], "a"], "]"]], "\[LessEqual]", "\[Pi]"]]]]]]

 MathML Form

 log z 1 / a ( z ) a /; - π < Im ( log ( z ) a ) π Condition z 1 a -1 z a Inequality -1 z a -1 [/itex]

 Rule Form

 Cell[BoxData[RowBox[List[RowBox[List["HoldPattern", "[", RowBox[List["Log", "[", RowBox[List[SuperscriptBox["z_", FractionBox["1", "a_"]], ",", "z_"]], "]"]], "]"]], "\[RuleDelayed]", RowBox[List["a", "/;", RowBox[List[RowBox[List["-", "\[Pi]"]], "<", RowBox[List["Im", "[", FractionBox[RowBox[List["Log", "[", "z", "]"]], "a"], "]"]], "\[LessEqual]", "\[Pi]"]]]]]]]]

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

 2007-05-02