… Later scholars praised him as the “knower of the celestial spheres.” He left behind a work called Veṇuāroha, which discussed how to calculate the exact position of the moon, but the most noteworthy of his achievements, as passed down by later scholars, was his expansion of pi and the sine function into power series. This was about three centuries earlier than the expansions made by Gregory, Newton, and Leibniz. … *Some of the terminology explanations that mention "Veṇuāroha" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…後の学者から〈天球を知る人〉とたたえられている。月の正確な位置の計算法を論じた《ベーヌ・アーローハVeṇuāroha》という作品が残っているが,後代の学者が伝える彼の業績のうち特に注目すべきものは,円周率と正弦関数を冪(べき)級数に展開したことである。これはグレゴリー,ニュートン,ライプニッツらによる展開式におよそ3世紀先行するものである。… ※「《Veṇuāroha》」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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