How do I find the two tallest peaks in my data?

I load in my data and plot it as follows:

load sunspot.dat
year = sunspot(:,1); 
relNums = sunspot(:,2);

How do I find just the two tallest peaks?

Answer 1

[MathWorks Support Team]

To find the two shortest peaks, use the "findpeaks" function with the "SortStr" property set to descending order and "NPeaks" set to 2:

[pks,loc] = findpeaks(relNums, year, 'SortStr', 'descend', 'NPeaks', 2);

Here is the documentation for "findpeaks":

<https://www.mathworks.com/help/signal/ref/findpeaks.html?s_tid=doc_ta#bufbbs1-SortStr>