books.google.com - Matrix algebra is one of the most important areas of mathematics for data analysis and for statistical theory. The first part of this book presents the relevant aspects of the theory of matrix algebra for applications in statistics. This part begins with the fundamental concepts of vectors and vector...https://books.google.com/books/about/Matrix_Algebra.html?id=PDjIV0iWa2cC&utm_source=gb-gplus-shareMatrix Algebra