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variants of this functions
Log






Mathematica Notation

Traditional Notation









Elementary Functions > Log[z] > Series representations > Generalized power series > Expansions at generic point z==z0 > Expansions of log(f(z)) at z==z0





http://functions.wolfram.com/01.04.06.0019.01









  


  










Input Form





Log[f[z]] \[Proportional] 2 I Pi Floor[(Pi - Arg[f[Subscript[z, 0]]] - Arg[f[z]/f[Subscript[z, 0]]])/ (2 Pi)] + Log[f[Subscript[z, 0]]] + (Derivative[1][f][Subscript[z, 0]]/f[Subscript[z, 0]]) (z - Subscript[z, 0]) + (1/2) (-(Derivative[1][f][Subscript[z, 0]]^2/f[Subscript[z, 0]]^2) + Derivative[2][f][Subscript[z, 0]]/f[Subscript[z, 0]]) (z - Subscript[z, 0])^2 + (1/6) ((2 Derivative[1][f][Subscript[z, 0]]^3)/ f[Subscript[z, 0]]^3 - (3 Derivative[1][f][Subscript[z, 0]] Derivative[2][f][Subscript[z, 0]])/f[Subscript[z, 0]]^2 + Derivative[3][f][Subscript[z, 0]]/f[Subscript[z, 0]]) (z - Subscript[z, 0])^3 + \[Ellipsis] /; (z -> Subscript[z, 0]) && f[Subscript[z, 0]] != 0










Standard Form





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MathML Form







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Rule Form





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





2007-05-02