1, Qin:

Gu Zi Qin, a famous mathematician in the Southern Song Dynasty, is also known as the four great mathematicians in Song and Yuan Dynasties. He studies astrology, rhythm, arithmetic, poetry, bows and arrows and creation. He worked as a magistrate and a farmer in Qiongzhou, and was later demoted and died in Meizhou.

1247, he completed the book "Nine Chapters of Shu Shu", in which the large derivative quadrature technology, the triclinic quadrature technology and the Qin algorithm are important contributions of world significance. An algorithm for solving the numerical solution of a polynomial equation with one variable-positive and negative cholesky decomposition is proposed.

2. Chen Tuan:

Chen Tuan, whose real name is Tu Nan, whose original name is Fu Yaozi, and whose name is Mr. Baiyun and Mr. Yi Xi, is a famous Taoist scholar and health care practitioner in the Northern Song Dynasty, and highly praises the learning of Huang Lao. In the first year of Wende, Tang Xizong, Chen Tuan was summoned by the emperor and given Qing Xu Chu Shi. In the third year of Changxing in the late Tang Dynasty, Chen Tuan went to Luoyang, the capital, to take an examination of Jinshi, and lost Sun Shan. At the end of the Tang Dynasty, he lived in seclusion in Jiushiyan, Wudang Mountain for two years.

3. Xu topaz:

Xu Huangyu, also known as the Empress Dowager, was born on July 7, AD 33 and died on March 25, AD 189. She lived to the age of 157, and showed for the first time three kings and princesses of Guo Jia established by the Han Dynasty.

4. Yang:

Yang Yu Daqing Kangxi 58 Huguang filled Sichuan, Huguang Yongjing Road State rushed into Sichuan to set up a business. Moved to Xiadiansi Valley, Shimiao, Xijing Township, Anyue County, Tongchuan District, Xiqiao County, Qing Dynasty, starting with 12 mu of land.

Yang Yisheng was conscientious, hard-working and hard-working, and achieved great success in the family business. It is luxuriant in foliage, flowers and leaves, and moved its ancestors to Miaohegou, Yulong Township, Anyue County, Ziyang, Sichuan.

5. Kang:

Compaq Qing Zi Hongzhang, one of the pioneers of China vernacular poetry, graduated from Peking University in the autumn of 19 18, organized a trendy club with Fu Sinian, Luo Jialun and others, and founded a monthly magazine, 19 19. Since the May 4th Movement, members of Kanghe Xinchao Society have participated in this movement.

Baidu Encyclopedia-Anyue County (Famous Person)

Baidu encyclopedia-Qin

Baidu encyclopedia-Chen Tuan

Baidu encyclopedia-Xu huangyu

Baidu Encyclopedia-Yang

Baidu encyclopedia-Kang