At one point, I was able to do 3-dimensional vector calculus on electromagnetic ... | Hacker News

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		HeyLaughingBoy on June 19, 2024 \| parent \| context \| favorite \| on: Fast Crimes at Lambda School At one point, I was able to do 3-dimensional vector calculus on electromagnetic fields. Now, I'm not sure I could do even a basic derivative. Use it or lose it.

bee_rider on June 19, 2024 [–]

I mean, even when I was tutoring it I’d double check most of the equations just to be sure.

I’m sure chain rule, product rule, and polynomials would come right back to you, and everyone has to look up the trig functions anyway.

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