Roots multiplicity without companion matrices
classification
💻 cs.SC
keywords
companionmatricespolynomialrootsalgorithmanotherconstructingdecomposition
read the original abstract
We show a method for constructing a polynomial interpolating roots' multiplicities of another polynomial, that does not use companion matrices. This leads to a modification to Guersenzvaig--Szechtman square-free decomposition algorithm that is more efficient both in theory and in practice.
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