A Birds-Eye View of Linear Algebra: Why Is Matrix Multiplication Like That?

Why should the columns of the first matrix match the rows of the second? Why not have the rows of both match?

Rohit Pandey
Towards Data Science
18 min readNov 23, 2023

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This is the third chapter of the in-progress book on linear algebra, “A birds eye view of linear algebra”. The table of contents so far:

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I like to explain data science concepts through words, visualizations and code in the hope one of them will click. For my day job, I work at Microsoft Azure.