roots_

버전 1.0.1 (1.15 KB) 작성자: Kenneth Johnson

roots_(c) does not return zero when c(end) is nonzero.

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업데이트 날짜: 2020/12/13

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Matlab's roots function does not satisfy the condition that roots(c) should not return any zero roots when c(end) is nonzero. For example, roots([1,1,1,1e-32]) incorrectly gives a root of exact zero. roots_([1,1,1,1e-32]) gives the correct root of -1e-32.

(Reported as Case Number 04335183 on 30 Jun 2020.)