well I’ve managed to avoid learning about this one so far https://en.wikipedia.org/wiki/Bra%E2%80%93ket_notation …
Functions Are Vectors I remember learning this for the first time.. still gives me goosebumpspic.twitter.com/AMr61q3aK9
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You’re following Griffiths aren’t you? Haha
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Unsure if this will make this clearer but instead of e_i wouldn't e_x be easier to understand?
Thanks. Twitter will use this to make your timeline better. UndoUndo
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