Fyi: Grant Sanderson has a knack for math and coding. So he created a tool that has helped him explain “the essence of linear algebra” in a “visually-driven manner.” And he posted the result, a series of 13 videos, to YouTube. You can watch the collection, called “The Essence of Linear Algebra,” above. Topics covered include: Vectors, what even are they?; Matrix multiplication as composition; Dot products and duality; and more.
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