# Estimate the maximum value among three consecutive values in a vector

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Hello, I need to do some calculation on each value for each vector. For example, the vector A may contain hundreds of acceleration values:
A=[0.18, 0.01, -0.15, 0.08, .25, 0.12, ......]
I need to abtain a new vector which contains the max value of each three consecutive values of the vector like this:
B=[max(0.18,0.01,-0.15), max(0.01, -0.15,0.08), max(-0.15,0.08,0.25) ...... end=length signal(A)]
I would appreciate your help
Best

the cyclist on 17 Jul 2023
A=[0.18, 0.01, -0.15, 0.08, .25, 0.12];
output = movmax(A,3)
output = 1×6
0.1800 0.1800 0.0800 0.2500 0.2500 0.2500
##### 2 CommentsShow NoneHide None
the cyclist on 17 Jul 2023
Note that @Dyuman Joshi's answer illustrates that the movmax function accepts arguments that will affect how you want to handle the endpoints.
Thank you very much. It works

### More Answers (1)

Dyuman Joshi on 17 Jul 2023
%Random data for example
x = 1:10;
y = 1×8
3 4 5 6 7 8 9 10
Thank you very much. It works

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