The fastest way to find local minimum

F
Farrahakhtar · Feb 10, 2021 · 2K views
Question
What is the most efficient/fastest way to find the circled local minimum below, the lowest minima between two highest peaks? The graph was created by plot(x,y).    
Expert Answer
Profile picture of Prashant Kumar
Prashant Kumar PhD Expert
Answered Aug 11, 2026
Invert your signal
 
 
invertedSignal = max(signal(:)) - signal;
Now valleys will be peaks. Then call find peaks.

 

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