[理工] [工數]-Fourier
1.
Find complex Fouier series of f(x)
2
f(x+2)=f(x) and f(x) = x + x in 0 < x < 1
2
f(x) = x - x + 2 in 1 < x < 2
=
答案是
11 8 2i 1 n inπx
f(x) = ---- + M [ ----- + -------(1 + (-1) ]e
6 n=-8 nπ 2 2
n=/=0 n π
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推
11/08 21:29, , 1F
11/08 21:29, 1F
推
11/08 21:51, , 2F
11/08 21:51, 2F
推
11/09 07:27, , 3F
11/09 07:27, 3F
→
11/09 09:33, , 4F
11/09 09:33, 4F
→
11/09 19:57, , 5F
11/09 19:57, 5F
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