How to store data after 2 forloops?

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Sam
Sam 2015-1-6
评论： Guillaume 2015-1-6
I've got this code:
for welke_pp=1:5 %for 5 subjects
for i_testen = 1:5 %for 5 measurements
RHEE = data_stair_rise(welke_pp,i_testen).VideoSignals(:, strcmp('RHEE', data_stair_rise(welke_pp,i_testen).VideoSignals_headers),3); %extract data
RHEE (Right-Heel-marker) is this type: 359x1 double. I want to store RHEE for each subject and each measurment.
When I put RHEE(welke_pp,i_testen) = ... It doesn't work: "Subscripted assignment dimension mismatch." When I use these brackets {} it also doesn't work (but I also don't want to create a cell, so it doesn't matter). Help?

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回答（1 个）

Guillaume
Guillaume 2015-1-6
Try:
RHEE = zeros(5, 5, 359);
for welke_pp=1:5 %for 5 subjects
for i_testen = 1:5 %for 5 measurements
RHEE(welke_pp, i_testen, :) = ...
end
end
RHEE will be a 3D array.
  2 个评论
Sam
Sam 2015-1-6
I can't use zeros(5,5,359) because RHEE always has a different length...
Guillaume
Guillaume 2015-1-6
Then you can't store it in a matrix and have to use a cell array:
RHEE{welke_pp, i_testen} = ... %no need to predeclare
or an array of structures with only one field.
RHEE(welke_pp, i_testen).data = ...
A cell array would make more sense / be easier to manipulate.

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