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'''Milü''' (Chinese: 密率; pinyin: mì lǜ; "close ratio"), also known as Zulü (Zu's ratio), is an approximation of π (pi) found by Chinese mathematician and astronomer, Zǔ Chōngzhī (祖沖之). | [[File:Milü_approximation_of_pi.gif|thumb|Milü approximation of pi.]]'''Milü''' (Chinese: 密率; pinyin: mì lǜ; "close ratio"), also known as Zulü (Zu's ratio), is an approximation of π (pi) found by Chinese mathematician and astronomer, Zǔ Chōngzhī (祖沖之). | ||
Using Liu Hui's algorithm (which is based on the areas of regular polygons approximating a circle), Zu famously computed π to be between 3.1415926 and 3.1415927 and gave two rational approximations of π, 22/7 and 355/113, naming them respectively Yuelü 约率 (approximate ratio) and Milü. | Using Liu Hui's algorithm (which is based on the areas of regular polygons approximating a circle), Zu famously computed π to be between 3.1415926 and 3.1415927 and gave two rational approximations of π, 22/7 and 355/113, naming them respectively Yuelü 约率 (approximate ratio) and Milü. | ||
== Fiction cross-reference == | |||
* [[Crimes against mathematical constants]] | |||
* [[Gnomon algorithm]] | |||
* [[Gnomon Chronicles]] | |||
* [[Mathematician]] | |||
* [[Mathematics]] | |||
== Nonfiction cross-reference == | |||
* [[Mathematician (nonfiction)]] | |||
* [[Mathematics (nonfiction)]] | |||
External links: | |||
* [https://en.wikipedia.org/wiki/Mil%C3%BC Milü] @ Wikipedia | |||
[[Category:Nonfiction (nonfiction)]] | |||
[[Category:Mathematics (nonfiction)]] | |||
[[Category:Pi (nonfiction)]] | |||
Revision as of 09:58, 23 November 2018
Milü (Chinese: 密率; pinyin: mì lǜ; "close ratio"), also known as Zulü (Zu's ratio), is an approximation of π (pi) found by Chinese mathematician and astronomer, Zǔ Chōngzhī (祖沖之).
Using Liu Hui's algorithm (which is based on the areas of regular polygons approximating a circle), Zu famously computed π to be between 3.1415926 and 3.1415927 and gave two rational approximations of π, 22/7 and 355/113, naming them respectively Yuelü 约率 (approximate ratio) and Milü.
Fiction cross-reference
Nonfiction cross-reference
External links:
- Milü @ Wikipedia