Students with poor foundation can talk to Mr. Tang Jiafeng or Mr. Wu Zhongxiang, both of which are easy to understand; If you have a better foundation, you can talk to Teacher Zhang Yu. Postgraduates are better at linear algebra than Li Yongle. The content of Mr. Li Yongle's basic course is very systematic, which is called mastery. There are many conclusions taught to you in class, and they are also very jumping, so that students with poor foundation will not feel confused after listening to them.

Teacher Zhang Yu, as a younger generation graduate tutor, has a relaxed and humorous speech, which enables many students to receive the information he teaches when listening to his class. Although they teach in different places, their original intention is to let more students enter their ideal graduate school, no matter which teacher they follow, they must stick to it.

Li Yongle, the most famous expert in linear algebra for postgraduate entrance examination in China, is now a professor at the Department of Mathematical Sciences in Tsinghua University and vice chairman of the Mathematics Research Association of Beijing Higher Education Society. He used to be the head of the national postgraduate entrance examination in Beijing, participated in the revision of the postgraduate entrance examination mathematics outline and the national mathematics examination proposition for many times, and was received by the leaders of the Ministry of Education.