Inversion of Analytic Functions via Canonical Polynomials: A Matrix Approach |
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Authors: | Philip Feinsilver René Schott |
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Institution: | (1) Department of Mathematics, Southern Illinois University, Carbondale, IL 62901, USA;(2) IECN and LORIA, Université Henri Poincaré, F-54506 Vandoeuvre-lès-Nancy, France |
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Abstract: | An alternative to Lagrange inversion for solving analytic systems is our technique of dual vector fields. We implement this
approach using matrix multiplication that provides a fast algorithm for computing the coefficients of the inverse function.
Examples include calculating the critical points of the sinc function. Maple procedures are included which can be directly
translated for doing numerical computations in Java or C.
A preliminary version of this paper has been presented at AISC 2006. |
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Keywords: | Lagrange inversion canonical polynomials analytic functions dual vector fields symbolic computation |
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