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### Topics - Tzu-Ching Yen

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##### APM346--Misc / Textbook section 2.4
« on: January 28, 2019, 01:20:52 PM »
Under equation 10, I think it should be ...and for fixed $\xi'$, $\eta < \eta' < \xi$.

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##### MAT244--Lectures & Home Assignments / Sec 7.1 Q4
« on: October 30, 2018, 12:05:54 PM »
What does $u^{(4)}$ stand for?

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##### MAT244--Lectures & Home Assignments / Typo in assignment 3.4
« on: October 15, 2018, 04:45:56 PM »
In Method of Reduction, part a, after wronskian is expanded $y_1$ should be replaced by $y_1'$

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##### MAT244--Lectures & Home Assignments / Exercise 2.4
« on: October 01, 2018, 03:48:04 PM »
I believe there is a typo in exercise 2.4 question 27b.
I was checking the textbook and seems like the substitution should be $v = y^{1-n}$ though what I see from course website is $v = y^{1\hat{a}'n}$

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