Finding the peak values of a graph

I have a one program I got a graph how to find the values ymax 1 ymin 1 ymax2 ymin2

Answer 1

[pietro]

I have a given time series (signal (photons count) vs. time)...I have to find the values of the peaks. Could You give me a hint about the codes available on this site?

Best

Pietro

Answer 2

[Honglei Chen]

You should be able to use findpeaks to do this.

doc findpeaks