It does a really solid job of building the intuition for the way the underlying mathematical machinery works, using ‘inner products’ as its mode of thinking rather than complex analysis - I think it’s a great complement to Grant Sanderson’s explanation and for some people I think it’s probably more useful.
But I also want to give a shout out to this video: https://youtu.be/ToMyB5Hk06w?si=yJLDbb82JireH4Q9
It does a really solid job of building the intuition for the way the underlying mathematical machinery works, using ‘inner products’ as its mode of thinking rather than complex analysis - I think it’s a great complement to Grant Sanderson’s explanation and for some people I think it’s probably more useful.