Opening multiple fields within the same level of a structure

Question

Gareth Pritchard 2014-10-13

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https://ww2.mathworks.cn/matlabcentral/answers/158418-opening-multiple-fields-within-the-same-level-of-a-structure

回答： Orion 2014-10-13

I have a nested structure which after a couple of levels, reaches a level with each month of the year. Within each of these months I have 8 fields which contain 16x1 arrays of the type double. Is there a command I can use to open all 8 of these arrays in a month and have Matlab display them, rather than having to open them one by one?

Thank you

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Answer 1

Orion 2014-10-13

2
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https://ww2.mathworks.cn/matlabcentral/answers/158418-opening-multiple-fields-within-the-same-level-of-a-structure#answer_154959

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Hi,

to access the fields of a structure you need to use fieldnames .

data.array1 = rand(16,1);
% ...
data.array8 = rand(16,1)+10;
allarray = fieldnames(data);
for i = 1:length(allarray)
       % display array :  
       fprintf('%s\n',allarray{i})
       disp(data.(allarray{i}))
end