A globally convergent method for finding zeros of smooth functions
2002
Computing a zero of a smooth function is an old and extensively researched problem in numerical computation. While a large body of results and algorithms has been reported on this problem in the literature, to the extent we are aware, the published literature does not contain a globally convergent algorithm for finding a zero of an arbitrary smooth function. In this paper we present the first globally convergent algorithm for computing a zero (if one exists) of a general smooth function. After presenting the algorithm and a proof of global convergence, we also clarify the connection between our algorithm and some known results in topological degree theory.
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