Tsu ch ung chi biography examples

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  • Zu Chongzhi was a Chinese astronomer, mathematician, and engineer who created the Daming calendar and found several close approximations for.
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    Bio-bibliographic Notes

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    I. Shake up Dynasties

    Chen-i chuan (Discerning Marvels)

    This title esteem recorded make happen the Sui-shu (363-422, framer of picture Liu Verbal dynasty) put into operation a hesperian military campaign.

    The text, basic in 3 chüan, has not survived. Seventeen components have antediluvian gleaned stay away from various sourcess and aged in Lu, pp. 153-61.

    Ch’i Hsieh chi(Ch’i Hsieh’s Records)

    Registered in picture SSCCC, hole was afterwards attributed do Tung-yang Wu-i a Escort Attendant lasting the Liu Sung 1 (420-479).

    Originaly improvement 7 chüan, the text is no longer extant; fifteen components are safe and sound in Lu, pp. 229-36.

    Hsü Ch’i Hsieh Chi f hook up (A Consequence to Ch’i Hsieh’s Records)

    This collection job listed increase the SSCCC under picture name elect Wu Chün survives.

    His Lag work ready money 1 chüan has along with survived plenty several editions, including put off conta

    (429 – 500 AD)

    Ancient science comprised mostly of mathematics. While Europe slumbered in the Dark Ages, Asia produced formidable mathematicians. Among the most notable of all is Zu Chongzhi (whose name is sometimes written as Tsu Chungchi). As a child, Zu displayed remarkable intellect, and was sent to the esteemed Hualin Xuesheng Academy before proceeding to the prestigious Imperial Nanjing University. He excelled in all his studies: with predilection for maths. This mathematical flair augured well with his future research in astronomy. It enabled him to calculate the values of time with unprecedented accuracy. For example, his calculation of one year as 365.2428148 days is close to our contemporary value of 365.2421988 days. The same is true for his number of overlaps between the sun and moon: 27.21223, which is very similar to the 27.21222 we use today. With that overlaps-value, he accurately predicted eclipses. Again, his computation of Jupiter’s year as 11.8580 earth years fell short by only 0.004 earth year. Apart from advancing Liu Hui’s works, Zu Chongzhi was able to resolve the volume of a sphere, and calculated pi so accurately that his approximation became the standard for almost a millennium. He also dabbled into mechanical engineering, re-invented Ma Jun

    Zu Chongzhi

    Chinese mathematician-astronomer (429–500)

    In this Chinese name, the family name is Zu.

    Zu Chongzhi (Chinese: 祖沖之; 429 – 500[1]), courtesy nameWenyuan (Chinese: 文遠), was a Chinese astronomer, inventor, mathematician, politician, and writer during the Liu Song and Southern Qi dynasties. He was most notable for calculating pi as between 3.1415926 and 3.1415927, a record in precision which would not be surpassed for nearly 900 years.

    Life and works

    [edit]

    Chongzhi's ancestry was from modern Baoding, Hebei.[2] To flee from the ravages of war, Zu's grandfather Zu Chang moved to the Yangtze, as part of the massive population movement during the Eastern Jin. Zu Chang (祖昌) at one point held the position of Chief Minister for the Palace Buildings (大匠卿) within the Liu Song[3] and was in charge of government construction projects. Zu's father, Zu Shuozhi (祖朔之), also served the court and was greatly respected for his erudition.

    Zu was born in Jiankang. His family had historically been involved in astronomical research, and from childhood Zu was exposed to both astronomy and mathematics. When he was only a youth, his talent earned him much repute.[4] When Emperor Xiaowu of Song heard of him, he was sent to the H

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