Li Rui (Chinese: 李锐; pinyin: Lǐ Ruì; 8 December 1768 in Suzhou – 30 June 1817 in Suzhou) was a Chinese mathematician. Li discovered independently an equivalent version of what is known today as Descartes' rule of signs.
References
- Joseph Warren Dauben and Christoph J. Scriba, eds., Writing the history of mathematics: its historical development, Birkhäuser, 2002, p. 303.
- O'Connor, John J.; Robertson, Edmund F., "Li Rui (mathematician)", MacTutor History of Mathematics Archive, University of St Andrews
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