Title: A real zero diminishing homotopy for an exponential or trigonometric polynomial
Authors: Verlinden, Pierre
Issue Date: Apr-1995
Publisher: Department of Computer Science, K.U.Leuven
Series Title: TW Reports vol:TW226 pages:7
Abstract: The theory of total positivity provides for a real exponential or trigonometric polynomial a homotopy with the property that the number of real zeros decreases monotonically. For an exponential polynomial, this homotopy can be intepreted as a special univariate case of the polyhedral homotopy described in [2] with a quadratic 'lifting function'.
Publication status: published
KU Leuven publication type: IR
Appears in Collections:NUMA, Numerical Analysis and Applied Mathematics Section

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