Li Yongle vector space 10 month 1 1 day. The notice of Li Yongle's official WeChat account "Yongle Telling Line Generation" shows that the vector space (single test site)10 June1(Tuesday) 19:00-20:00 will be broadcast live on the live broadcast platform of Li Yongle's official WeChat account "Yongle Telling Line Generation". So Li Yongle vector space 10 month 1 1 day. Li Yongle, male, is a famous expert in linear algebra. Professor, Department of Applied Mathematics, Tsinghua University, Vice Chairman of Mathematics Research Association of Beijing Higher Education Society.