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Zhao Youqin's π algorithm

Zhao Youqin's π algorithm was an algorithm by Yuan dynasty astronomer-mathematician Zhao Youqin (赵友钦, ? – 1330) to calculate the value of π in his… 
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Chronology of computation of πLiu Hui's π algorithm

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
2015
2015
2D monocular visual odometry using mobile-phone sensors
Smartphone equipped with a high-resolution camera and a variety of motion sensors is a lightweight, inexpensive, and flexible… 
2015
2015
Study on the internal flow law of cross wedge rolling of aluminum alloy based on finite element analysis
the cross wedge rolling technology, as an effective method of shaft forming, has been paid more and more attention. With the… 
2014
2014
N ° 2014-10 Gathering the pieces of three decades of monetary coordination to build a way out of the European crisis
The current crisis of the euro area has questioned the fairness, sustainability and viability of the current setting of the… 
2013
2013
The Comparison of the Folk Culture Aesthetic Taste between Zhao Shuli and Zhao Benshan
With the comparative study,this paper argues that Zhao Shuli and Zhao Benshan's folk aesthetic taste can be summed up outside… 
2012
2012
On the Poem Annotation of Su Shi's Poems Written by Zhao Cigong
In the poem annotation of Song Dynasty,the scholiasts attach importance to both historical method and poetics method.But in his… 
2012
2012
cheng shi jing ji dai dong lv you chan ye yi jing jin qu yu wei can zhao dui xiang
旅游业与经济社会的发展是良性互动的关系，近年来，旅游业方兴未艾，已成为我国国民经济的支柱产业之一，凸显出对社会经济发展的重要作用。本文拟通过对京津区域旅游业发展态势的分析，提出促进两地旅游产业发展的建议。 
2008
2008
Design, Analysis and Applications of a Class of New 3-DOF Translational Parallel Manipulators
In recent years, the progress in the development of parallel manipulators has been accelerated since parallel manipulators… 
2007
2007
Intra-dynastic and Inter-Tai Conflicts in the Old Kingdom of Moeng Lü in Southern Yunnan 1
Power struggles within ruling houses are a classic problem causing the weakening of dynasties and inviting foreign invasions. The… 
Review
2002
Review
2002
Image � based Face Recognition Issues and
As one of the most successful applications of image analysis and understanding face recognition has recently gained signi cant… 
2001
2001
East Meets West at Chinese Festivals in Toronto
The author discusses a composition by Chinese composer, George Gao, focussing on ways diasporic Chinese composers create music in… 
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