You have to calculate the interval means yourself. That can be done in a loop.
The Code —
t = 0:50; % Create Data
x = 50 + sin(2*pi*t/40) + cos(2*pi*t*10/50)*0.1; % Create Data
figure(1)
plot(t, x);
grid
ipt = findchangepts(x, 'Statistic', 'mean', 'MinThreshold', 0.2); % Get Change Point Indices
intvls = [1 ipt length(t)]; % Define Intervals
for k1 = 1:length(intvls)-2
interval_means(k1) = mean(x(intvls(k1):intvls(k1+1)-1)); % Calculate Means For Each Interval
end
interval_means(k1+1) = mean(x(intvls(k1):intvls(end))); % Calculate Means For Last Interval
figure(2)
findchangepts(x, 'Statistic', 'mean', 'MinThreshold', 0.2); % Plot Change Points
In order to avoid overlaps in the change point indices (so the value at the same index is not included in successive intervals), the end-points of each interval are not included in the interval. It is necessary to calculate the last interval separately so it does include the value of the end of the last interval.
This should do what you want.
