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On simple double zeros and badly conditioned zeros of analytic functions of |
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| Authors: | Jean-Pierre Dedieu Mike Shub |
| Institution: | Laboratoire Approximation et Optimisation, Université Paul Sabatier, 31062 Toulouse Cedex 04, France ; IBM T.J. Watson Research Center, Yorktowns Heights, New York 10598-0218 |
| Abstract: | We give a numerical criterion for a badly conditioned zero of a system of analytic equations to be part of a cluster of two zeros. |
| Keywords: | Systems of equations multiple zeros condition numbers |
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