杨辉

楊輝
Yáng Huī
proper noun

Meanings

  1. 1 Yang Hui
  2. 2 Southern Song mathematician; his 'Yang Hui Triangle' is the Chinese name for Pascal's triangle

About Yang Hui

c. 1238–1298 · 科学家 scientist

Southern Song mathematician from Hangzhou whose 1261 book set out the triangle of binomial coefficients, taught in Chinese schools as 杨辉三角 (Pascal's triangle). He credited it to the earlier mathematician 贾宪.

Examples

HSK 7-9
Yáng Huī sānjiǎo zài xīfāng bèi chēngwéi Pàsīkǎ sānjiǎo.
Yang Hui's Triangle is known in the West as Pascal's Triangle.
HSK 7-9
Xuésheng zài zhōngxué jiēduàn jiù huì xuéxí Yáng Huī sānjiǎo.
Students learn about Yang Hui's Triangle in middle school.

Tips

history
His 1261 book is 详解九章算法, a commentary on the Nine Chapters; Pascal's treatise on the triangle came out four centuries later, in 1665. Because Yang named his source, the figure is also called 贾宪三角 'Jia Xian's triangle'.

Stroke Order

杨 yáng
辉 huī