Counting total number of peaks in an array??

I have attached a figure in which i have peaks at certain locations of certain duration.. I need the total number of peaks in the figure. For example, the number of peaks in this figure is 3. Can someone help me??

Answer 1

[Azzi Abdelmalek]

numel(findpeaks(your_signal))

%or

numel(gradient(your_signal)==0)

[Sunil]

Thanks!!!! it is working fine..

[faiz hazizi]

sorry sir, may i know what is types of the signal for the numel(findpeaks(your_signal)) ? is it .wav file or what ?

[HARVIN RAJ]

Thank you !!!