gèng[1](?—?),又名祖暅[2],字景爍范陽郡遒縣(今河北淶水)人。中國南北朝時期數學家天文學家祖沖之的兒子。

生平

少傳家業,自小熱愛科學,曾推算出球體體積計算方法。梁朝時任太府卿。歷官員外郎、散騎常侍。梁初沿用齊朝元嘉曆》,祖暅之曾三度上疏,建議改用《大明曆》,直到天監九年(510年)才施行。[3]

父子共同發現了祖暅原理,即西方所稱之卡瓦列里原理。

註釋

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