谁是第一名？ Who’s the First?(Level 3) 2020 <Cengage>

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DESCRIPTION The diary entries narrate the life of a white crane. World Chinese Graded Readers is a 10-level series for learners of the Chinese language. Comprising hundreds of best-loved children’s readers, this series features fascinating content, beautiful illustrations, and authentic language usage. Graded with reference to the ACTFL Proficiency Guidelines for Reading, the books expose learners to a wide range of vocabulary and language forms to develop their reading skills at each level. Learners will engage with a variety of themes related to the world around them and acquire useful vocabulary and sentence structures for everyday communication, and life in a diverse world. Simple and enjoyable, this is a series you won’t want to put down! Each reader includes: • Pinyin annotations • Full English translation • A glossary of useful words • MP3 audio files at emarketing.cengageasia.com/worldchinese • A post-reading worksheet at emarketing.cengageasia.com/worldchinese

LINEAR ALGEBRA: CORE TOPICS FOR THE FIRST COURSE

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The book is an introduction to linear algebra intended as a textbook for the first course in linear algebra. In the first six chapters we present the core topics: matrices, the vector space ℝn, orthogonality in ℝn, determinants, eigenvalues and eigenvectors, and linear transformations. The book gives students an opportunity to better understand linear algebra in the next three chapters: Jordan forms by examples, singular value decomposition, and quadratic forms and positive definite matrices. In the first nine chapters everything is formulated in terms of ℝn. This makes the ideas of linear algebra easier to understand. The general vector spaces are introduced in Chapter 10. The last chapter presents problems solved with a computer algebra system. At the end of the book we have results or solutions for odd numbered exercises. Request Inspection Copy Sample Chapter(s) Preface Chapter 1: Matrices Contents: Matrices The Vector Space ℝn Orthogonality in ℝn Determinants Eigenvalues and Eigenvectors Linear Transformations Jordan Forms by Examples Singular Value Decomposition Quadratic Forms and Positive Definite Matrices Vector Spaces Solutions with CAS Answers to Selected Exercises Readership: Undergraduate students taking a first course in linear algebra.