Find min values in sequence time series
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Dear all I like to ask your help for this Matlab function to find mean value of a sequence dataset as demonstrated in Figure below.
Column 5 is min of a range values in column 3 based on column 4 (with fd =1).
Thank you very much
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/193610/image.jpeg)
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Accepted Answer
KSSV
on 31 Oct 2018
As the data is not given, I have created some random data...check the code:
v = [1 2 3 0 0 0 0 0 2 3 4 0 0 0 0 0 4 5 6 7 0 0 0 0 1 1 1]';
A = rand(27,4) ;
A(:,4) = v ;
w = [false; v~=0 ;false];
starts = find(w(2:end) & ~w(1:end-1)); %Get starts of runs of non-zeros
ends = find(~w(2:end) & w(1:end-1))-1; % Get ends of runs of non-zeros
result = arrayfun(@(s,e) A(s:e,1:3), starts, ends, 'uniformout', false); % extract the respective parts
iwant = cellfun(@mean,result,'uniformout',false)
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