Question: Code the following problem in Python: The Dow.txt is located below: 12121.71 12136.44 12226.73 12221.93 12194.13 12283.85 12331.6 12309.25 12278.41 12307.48 12328.48 12315.58 12317.5 12416.76
A noisy signal can be cleaned up by manipulating the signal's Fourier coefficients. In this problem you will explore a few simple approaches where we selectively remove some of the coefficients (these approaches are so-called "filters"). Consider in particular: 1 A"low pass filter" that sets q = 0 ilk > k? 2. A "high pass filter" that setsc,-0 ifkkn 3. A "magnitude filter" that sets c0 if c
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