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### Messages - Fanxun Zeng

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##### Home Assignment 6 / Re: Problem 4
« on: November 07, 2012, 09:44:12 PM »
Hi, I just see Calvin's PDF solution for 4 a and 4 b, as stated above, we need to add the second case that if the denominator w is 0, or denominator k=0, so in addition to that case's answer in part a is 2a, that case's answer in part b is 0. More complete for Bonus Mark!

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##### Home Assignment 6 / Re: Problem 4
« on: November 07, 2012, 09:38:02 PM »
Bonus Mark: for a and b, we need to consider special case if the denominator w is 0, in which case  the answer is 2a in a as I attached at 9:31pm, more complete than Aida's original solution posted at 9:30pm. (I think it is better to reply than edit to see the original)

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##### Home Assignment 6 / Re: Problem 4
« on: November 07, 2012, 09:31:49 PM »
Question 4 a solution attached

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##### Home Assignment 6 / Re: Problem 1--simplified
« on: November 07, 2012, 09:30:57 PM »
Question 1 a solution attached

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##### Home Assignment 5 / Re: Problem 5
« on: October 31, 2012, 11:50:24 PM »
In fact, PDF version of Problem 5 as of the due date still continues to state sin Fourier series instead of cos Fourier series, as homework 5 PDF proof attached downloaded today. We appreciate if the two versions can be consistent in future.
http://www.math.toronto.edu/courses/apm346h1/20129/HA5.pdf

On problem 5, it says to decompose into sine series again. I'm pretty sure that's a typo, since that's what question 4 asked us to do. Do we decomplose into cosine series instead?

Yes, corrected. Thanks!

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