looping though data structures of different sizes

Hi Folks, please advise if you can....

Im extracting data from a structure in a for loop as follows:

for i = 1:1600 

      Struct = xml2struct(filename); 

      time(i) = Struct.time.v1);
      data(i) = Struct.data.v2);

end

The problem is most of the Structures have 1 value for v1 and v2 but around 100 of the structures have multiple values. Hope can I deal with this in a loop and extract all the v1 and v2 values into one vector?

Thanks in advance for any advice!

[Guillaume]

Well, what do you want to do when there's multiple values. Just store the first one? an average or other statistics? store all of them?

Note that calling a variable Struct is a bad idea. Personally, I'd call it filexml.

[Chris O'Donnell]

store all of them! Thanks!

Answer 1

[Jan]

dataC = cell(1, 1600);
timeC = cell(1, 1600);
for i = 1:1600 
    S        = xml2struct(filename); 
    timeC{i} = S.time.v1;
    dataC{i} = S.data.v2;
end

timeV = cat(1, timeC{:});  % Or cat(2, ...
dataV = cat(1, dataC{:});  % Or cat(2, ...

[Chris O'Donnell]

Works perfectly! Thanks very much for your help, really appreciate it!

[Stephen23]

@Chris O'Donnell: you can thank Jan Simon by accepting their answer.

[Jan]

You are welcome, Chris. Personally I like a "Thanks very much" more than pressing the "Accept" button. I have more points than I can ever exchange to coffee in my whole life. But accepting an answer tells other readers, that the problem is solved already. An this is very useful to let them focus on open problems.

[Chris O'Donnell]

OK Jan, cheers