Numerical Irreducible Decomposition Using PHCpack

Andrew J. Sommese (), Jan Verschelde () and Charles W. Wampler ()
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Andrew J. Sommese: University of Notre Dame, Department of Mathematics
Jan Verschelde: University of Illinois at Chicago, Department of Mathematics, Statistics, and Computer Science
Charles W. Wampler: Enterprise Systems Lab, General Motors Research Laboratories

A chapter in Algebra, Geometry and Software Systems, 2003, pp 109-129 from Springer

Abstract: Abstract Homotopy continuation methods have proven to be reliable and efficient to approximate all isolated solutions of polynomial systems. In this paper we show how we can use this capability as a blackbox device to solve systems which have positive dimensional components of solutions. We indicate how the software package PHCpack can be used in conjunction with Maple and programs written in C. We describe a numerically stable algorithm for decomposing positive dimensional solution sets of polynomial systems into irreducible components. 2000 Mathematics Subject Classification. Primary 65H10; Secondary 13P05, 14Q99, 68N30, 68W30.

Keywords: homotopy continuation; interfaces; numerical algebraic geometry; polynomial system; software. (search for similar items in EconPapers)
Date: 2003
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DOI: 10.1007/978-3-662-05148-1_6

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