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"Edit: no they were finding rational approximations to roots, which is actually pretty clever." Right they provided a general numerical method that can solve u
by fspeech 8y ago
"Edit: no they were finding rational approximations to roots, which is actually pretty clever."
Right they provided a general numerical method that can solve univariate polynomials of any degree. See https://zh.wikipedia.org/wiki/%E7%A7%A6%E4%B9%9D%E9%9F%B6%E7%AE%97%E6%B3%95 https://zh.wikipedia.org/wiki/%E7%A7%A6%E4%B9%9D%E9%9F%B6%E7... "南宋数学家秦九韶将贾宪的增乘开方术推广，以求解任意高次方程的实数根的数值解"