how do i run a loop that extract some file into nested structure

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matteo bottoni 2020-5-17

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评论： matteo bottoni 2020-5-23

gaitvariable is the structure that i have. Inside that there are more structures called P#. Each P# contains more row vectors. I would like to create a loop that give me the concatanation of the pic's vector, as follow:

t_stride_total=[t_strideP345,t_strideP89....]

I only started the code because I found difficulties with fields of structure

adult_abs=[];
adult_rel=[];
filename = 'gaitvariables_adults.mat';
T = load(filename);
C = struct2cell(T);
folder= C{1}
D= struct2cell(folder);
subfolder= D{1}

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Ameer Hamza 2020-5-17

Can you attach the file gaitvariables_adults.mat?

matteo bottoni 2020-5-18

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采纳的回答

Ameer Hamza 2020-5-17

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/526102-how-do-i-run-a-loop-that-extract-some-file-into-nested-structure#answer_432943

在 MATLAB Online 中打开

Try something like this

S.a = [1 2 3]; % example struct
S.P123.t_stride = [4 5 6];
S.P345.t_stride = [3 2 1];
S.P1234.t_stride = [7 6 8];
names = fieldnames(S);
t_stride = cell(1,numel(names));
for i=1:numel(names)
    name = names{i};
    if name(1)=='P'
        t_stride{i} = S.(name).t_stride;
    end
end
t_stride = [t_stride{:}];