Brahmagupta

Japanese: ブラフマグプタ(英語表記)Brahmagupta
Brahmagupta
[Raw] 598
[Died] c. 665. Ancient Indian astronomer. In 628, he wrote Brama-sphuta-siddhānta, a book outlining the Hindu astronomical system. In addition to lunar and solar eclipses, planetary conjunctions, and determining the positions of planets, it also contains descriptions of mathematics. It deals with proofs of geometric theorems relating to arithmetic progressions, quadratic equations, the areas of triangles and quadrangles, and surfaces and volumes.

Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information

Japanese:
[生]598
[没]665頃
古代インドの天文学者。 628年ヒンドゥー教の天文体系を示した『宇宙の始り』 Brama-sphuta-siddhāntaを著わした。月食,日食,惑星の合,惑星の位置決定などのほかに,数学に関する記述もある。算術級数,2次方程式,三角形や四角形の面積,また面や体積などに関する幾何学的な諸定理の証明が取扱われている。

出典 ブリタニカ国際大百科事典 小項目事典ブリタニカ国際大百科事典 小項目事典について 情報

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