Description: Sunspot activity is cyclical, reaching a maximum about every 11 years. Let s confirm that. Here is a plot of a quantity called the Zurich sunspot relative number, which measures both number and size of sunspots. Astronomers have tabulated this number for almost 300 years.
- [sunspot] - Since 1700 the continued use of 300-year
- [wavelet_packet] - Using wavelet and wavelet packet noise r
File list (Check if you may need any files):
sunspots.m
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