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Biography sample for work: Qin Jiushao was a Chinese mathematician who wrote an important study Shushu Jiuzang on equations, including the Chinese Remainder Theorem. Qin Jiushao, also known as Ch'in Chiu-Shao, was born at the time of the Nan (Southern) Sung dynasty.
Strangeways, Ian Precipitation: Theory, Measurement and Distribution. Cambridge University Press published April 14, Guo, Shuchun. Encyclopedia of China Mathematics Volume , 1st ed. Qin Jiushao, [1].
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Chinese History Timeline , Katz "A history of mathematics: an introduction. Contents move to sidebar hide. Article Talk. Read Edit View history. Tools Tools.
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Download as PDF Printable version. In other projects. Wikimedia Commons Wikidata item. Chinese mathematician and inventor. In this Chinese name , the family name is Qin. Biography [ edit ].
This is a remarkable work which led to George Sarton writing that Qin was see [ 1 ] or [ 3 ] where this is quoted Before we look at the contents of the Shushu Jiuzhang we continue our description of Qin's life. He took up his work in the civil service again in in the capital Hang-chou but resigned after a few months.
Appointed governor of Qiongzhou in Hainan in he was dismissed for corruption and exploitation after a hundred days in office and returned home having again acquired immense wealth illegally. One might expect that by this time Qin would be unemployable, given his record of criminal dealings, but he next managed to gain an appointment as an assistant in the district of Yin near Ningpo in Zhekiang where his friend Wu Qian had been appointed as a naval officer.
Qin jiushao biography sample pdf
Perhaps Wu Qian was as corrupt as his friend Qin, for he was dismissed from Yin and, in , Qin was also sent away to Meizhou now Meixian , in Guangtong province where he died. We have seen that Qin was a highly unprincipled character but he was also a mathematical genius with few equals. Before looking at his mathematical achievements, let us recount further stories of his character.
It is recorded that Qin cheated his friend Wu Qian so that he became the owner of some of his land, and also that Qin punished a female member of his household by confining her without food. Chapter 1 is on indeterminate analysis; it contains remarkable work on the Chinese remainder theorem which occurs right at the beginning of the text.
We discuss it below. Chapter 2 is called Heavenly phenomena and it deals with questions on the calendar and also questions about rain or snow.
Qin jiushao biography sample
Chapter 3 is called Boundaries of fields and looks at surveying. There is a remarkable formula given in this Chapter which expresses the area of a figure as the root of an equation of degree 4. At a very early time in their… … Universalium. Qin Jiushao.
Categories: births deaths 13th-century mathematicians Chinese mathematicians Number theorists Song Dynasty people. Look at other dictionaries: Qin Jiushao — c. Dictionaries export , created on PHP,. Mark and share Search through all dictionaries Translate… Search Internet.