Symbolic Asymptotics : Functions of Two Variables, Implicit Functions

Bruno Salvy 1 John Shackell
1 ALGO - Algorithms
Inria Paris-Rocquencourt
Abstract : A number of recent papers have been concerned with algorithms to decide the limiting behaviour of functions of a single variable. Here we make a corresponding study of a class of functions of two variables, namely the exp-log functions. As in the one-variable case, we need to make certain assumptions regarding the handling of constants. Two of the main tools in the one-variable case are Hardy fields and nested forms. Here, we show how to compute some asymptotic estimates for two-variable exp-log functions (modulo a constant oracle). This method is then used to give an algorithm for computing the nested forms of real implicit functions.
Type de document :
[Research Report] RR-2883, INRIA. 1996
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Soumis le : mercredi 24 mai 2006 - 13:47:30
Dernière modification le : mardi 17 avril 2018 - 11:25:31
Document(s) archivé(s) le : jeudi 24 mars 2011 - 13:02:39



  • HAL Id : inria-00073807, version 1



Bruno Salvy, John Shackell. Symbolic Asymptotics : Functions of Two Variables, Implicit Functions. [Research Report] RR-2883, INRIA. 1996. 〈inria-00073807〉



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