How to take a mean from a range of values

Hi, I have variables that look something like this (simplified):

x = [1 2 3 4 5]

y = [10 20 30 40 50]

I then plotted x and y. Now, I want to take the mean value of y from x = 2.5-4.5.

I'm not sure how to take a mean of a range of values.

Thanks!

Answer 1

[the cyclist]

x = [1 2 3 4 5];
y = [10 20 30 40 50];

xInRange = (x>2.5) & (x<=4.5);

mean(y(xInRange))

ans = 35

[Sophie]

thank you! so simple