Author Topic: possible typo on 2020 Question 3 Morning sitting  (Read 608 times)

Xuanru Pan

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possible typo on 2020 Question 3 Morning sitting
« on: October 27, 2020, 05:02:16 AM »
When I calculate, I get uyy=-6x-12y rather than -6x+12y, which makes it not harmonic. Is it a typo or do I miscalculate?

RunboZhang

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Re: possible typo on 2020 Question 3 Morning sitting
« Reply #1 on: October 27, 2020, 09:58:45 AM »
I agree with you, I think the solution has some small typos.

Xiaoyi Du

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Re: possible typo on 2020 Question 3 Morning sitting
« Reply #2 on: October 28, 2020, 03:16:48 PM »
Me too, I also got that. And I think there is also typo on this question part (b)

maoxiaoy

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Re: possible typo on 2020 Question 3 Morning sitting
« Reply #3 on: October 28, 2020, 10:29:59 PM »
Yes, this is what I got too

Xuefeng Fan

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Re: possible typo on 2020 Question 3 Morning sitting
« Reply #4 on: December 07, 2020, 02:46:20 PM »
Yes I am totally agree with you