Linear Algebra 6.3.2 The Best Approximation Theorem

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I wish I found all of your videos months ago. They're are the clearest explanation of Linear Algebra topics that I have found on the internet by far. You're single handedly saving my gpa.

tylervandermate
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Helpful note for the challenge problem at the end. v1 and v2 must form an orthonormal basis. The example vectors do form an orthonormal basis, but that is not mentioned in the video.

benmontgomery
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Thank you, Mam, for taking the time to compile this Linear Algebra Course, it is so helpful.

mathsbsquared
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David C. Lay seems to have wrote this book thinking everyone has the same conceptual understanding of mathematics he does! Thank you for leveling the playing field and simplifying his (almost) useless textbook!

samkuo
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Best teacher I have seen ever :) Thanks a lot

larshaji
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your videos are amazing even after 4 years, Thank you

jviccii
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i love all of your videos thank you so much! i appreciate all of the examples and practice problems.

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