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 Power

 http://functions.wolfram.com/01.02.13.0007.01

 Input Form

 Derivative[1][w][a] - Log[z] w[a] == 0 /; w[a] == z^a && w[1] == z

 Standard Form

 Cell[BoxData[RowBox[List[RowBox[List[RowBox[List[RowBox[List[SuperscriptBox["w", "\[Prime]", Rule[MultilineFunction, None]], "[", "a", "]"]], "-", RowBox[List[RowBox[List["Log", "[", "z", "]"]], RowBox[List["w", "[", "a", "]"]]]]]], "\[Equal]", "0"]], "/;", " ", RowBox[List[RowBox[List[RowBox[List["w", "[", "a", "]"]], "\[Equal]", SuperscriptBox["z", "a"]]], "\[And]", RowBox[List[RowBox[List["w", "[", "1", "]"]], "\[Equal]", "z"]]]]]]]]

 MathML Form

 w ( a ) - log ( z ) w ( a ) 0 /; w ( a ) z a w ( 1 ) z Condition a w a -1 z w a 0 w a z a w 1 z [/itex]

 Rule Form

 Cell[BoxData[RowBox[List[RowBox[List["HoldPattern", "[", RowBox[List[RowBox[List[SuperscriptBox["w", "\[Prime]", Rule[MultilineFunction, None]], "[", "a_", "]"]], "-", RowBox[List[RowBox[List["Log", "[", "z_", "]"]], " ", RowBox[List["w", "[", "a_", "]"]]]]]], "]"]], "\[RuleDelayed]", RowBox[List["0", "/;", RowBox[List[RowBox[List[RowBox[List["w", "[", "a", "]"]], "\[Equal]", SuperscriptBox["z", "a"]]], "&&", RowBox[List[RowBox[List["w", "[", "1", "]"]], "\[Equal]", "z"]]]]]]]]]]

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

 2007-05-02