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In p>214, the ability to solve problems in mathematics for postgraduate entrance examination comes from a solid foundation.

It is difficult to review the mathematics subjects for postgraduate entrance examination, especially the linear algebra part of mathematics. In order to help candidates review for postgraduate entrance examination effectively, this paper puts forward some suggestions for reviewing linear algebra for candidates.

First, pay attention to the foundation and find out the basic concepts, methods and properties of the connection

It has always been the focus of the postgraduate entrance examination mathematics. From the experience of marking papers for many years, candidates have not grasped the basic concepts of mathematics firmly enough and have not understood them thoroughly enough. Some students in the examination room, do not know how to start, do not know which formula to use. Therefore, Wan Xuehai's counseling experts suggest that students who take the postgraduate entrance examination for tourism management must pay attention to basic knowledge, review all formulas, theorems and definitions, and do more basic questions to help consolidate basic knowledge.

There are not many contents in linear algebra, but there are many basic concepts and properties, and there are also many relations between them. Candidates should especially find out the connection and difference between the concepts and methods involved according to the two big questions in the annual linear algebra exam. For example, the relationship between the linear representation of vectors and the discussion of solutions of non-homogeneous linear equations; The relationship between the linear correlation of vectors (irrelevant) and the discussion that homogeneous linear equations have non-zero solutions (only zero solutions); The relationship between the diagonalization of real symmetric matrix and the standardized form of real secondary medical postgraduate entrance examination forum. Grasping the connection and difference between them will be of great help to everyone in solving the two big problems of linear algebra.

Second, refer to the outline and consolidate the questions

Since the examination outline of mathematics has not changed much, you can refer to last year's examination outline for review. Mathematics review should strengthen the foundation. You can choose certain textbooks for early review, such as Tongji Edition of Linear Algebra (Third Edition) or Peking University Edition of Advanced Algebra (Volume I). If the textbooks for freshmen and sophomores are suitable for laying a foundation in terms of content and difficulty, you can also choose them. It is suggested that you should do the questions while reading, and consolidate the concept by doing the questions. In addition, candidates had better choose a review material for the postgraduate entrance examination as a reference, which will help improve their comprehensive ability and grasp the key points on the basis of comprehensive review.

Third, strengthen training and cultivate ability

From the examination questions of postgraduate entrance examination in recent ten years, especially in recent two years, the examination of candidates' ability to analyze and solve problems has been strengthened. In the two major problems of linear algebra, they are basically the synthesis of multiple knowledge points. So as to achieve the examination of candidates' computing ability, abstract generalization ability, logical thinking ability and the ability to comprehensively apply the learned knowledge to solve practical problems. Therefore, while laying a good foundation, we should do some comprehensive exercises (or graduate examination questions in recent years) and summarize them while doing them, so as to deepen our understanding of concepts, nature and connotation and grasp the application methods, so as to make inferences and comprehensively cope with the changes in examination questions.

In short, candidates should pay attention to the basics and lay a good foundation when reviewing mathematics and the political postgraduate entrance examination of linear algebra, and combine some comprehensive questions to cultivate their ability of analyzing and solving problems and deepen their understanding of knowledge. Some candidates over-pursue difficult problems while paying insufficient attention to basic concepts, basic methods and basic properties, which is wrong and should be corrected in time.

In addition, it is absolutely impossible to learn mathematics without doing the problem. After finishing the problem, don't rush to answer it, but check it carefully. Be sure to make sure your answer before looking at the reference answer. Get into the habit of thinking. When you get the problem, you should have an idea and ask yourself: What did the teacher want to test me on this question? Did I miss this knowledge point before? Look ahead and look back when you do the problem. Another good way is to make your own set of wrong questions, and often take them out to see them, which will form psychological hints for yourself, so that you won't stumble in the same place in the future.

Finally, I wish you all a smooth math review for the postgraduate entrance examination!