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Algorithm 954

Published in ACM Transactions on Mathematical Software • Oct 12, 2015
NobleIDNI8P80W29R86S68
Authors:
N. Flocke

Abstract

We report on an accurate and efficient algorithm for obtaining all roots of general real cubic and quartic polynomials. Both the cubic and quartic solvers give highly accurate roots and place no restrictions on the magnitude of the polynomial coefficients. The key to the algorithm is a proper rescal...

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