External links for brushing up linear algerba

I studied linear algebra in university but seems like I have lost touch in that. Could anyone provide the pre-requisite linear algebra course link so that I can sharpen up quickly.

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A classic is Gilbert Strang’s Linear Algebra course. The video of the lectures are available too. There is also The Matrix Calculus You Need For Deep Learning which is quite popular and Linear Algebra Review and Reference from CS229.

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