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Author Topic: Sec 7.1 Q4  (Read 1305 times)

Tzu-Ching Yen

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Sec 7.1 Q4
« on: October 30, 2018, 12:05:54 PM »
What does $u^{(4)}$ stand for?
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Victor Ivrii

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Re: Sec 7.1 Q4
« Reply #1 on: October 30, 2018, 12:42:38 PM »
Both $u^{(4)}$ and $u^{IV}$ mean fourth-order derivative. You should know this from Calculus I.
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