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February 9th, 2011, 07:43 AM   #1
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hard question on half range series

Could someone help me with the question in the attachment please, I really don't understand it!!
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File Type: pptx half range.pptx (83.4 KB, 14 views)
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February 9th, 2011, 03:42 PM   #2
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Re: hard question on half range series

Look up Parseval's theorem

http://en.wikipedia.org/wiki/Parseval%27s_theorem

Essentially it is a relationship between the L2 norm of a function and the l2 norm of its Fourier series.
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