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Alex Sing Yu Chu

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Excellent. I took another on-line course from another top famous University, and it was hard to follow, and I was totally lost when I arrived at the lesson talking about rank of a rectangular matrix. A typical course will start from linear equations, determinants, Cramer's rule, then vector space, etc. This course has a new approach of starting with vectors and linear transformations. Also the various vector and matrix algorithms really help gave me solid and clear ideas of column spaces and rows spaces, and different kinds of vector/matrix operations and their implications: on the right, on the left, partitioning, etc. I also found the exercises very helpful in enforcing the concepts in my mind. Overall, I would give this course A++.