How can I solve peak by using simulink in matlab?

How to know the number of maximum and minimum peaks in a signal, and each peak its value, with input of random and real-time signal using simulink in matlab?

[abdulaziz alofui]

this figure if you want more detail

[Azzi Abdelmalek]

Where is the figure?

[abdulaziz alofui]

Answer 1

[Azzi Abdelmalek]

In real time, you can't know if a point is a peak or no, because at t=n, we don't know the next point at t=n+1

[abdulaziz alofui]

OK.i can in random or no

[abdulaziz alofui]

[abdulaziz alofui]

this is do in simulink but i have wrong

[Youssef Khmou]

What Azzi sais is logic, you can write a code and make it in user defined Function, but i do not have much experience with this approach .