How to insert fieldname character type into struct type?

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Sam
Sam 2018-11-19
编辑： per isakson 2018-11-19
Hello,
This is my code:
load('Cal_Lags.mat'); %
% there are 4 treatments. Treatment 1 consists of 30 subjects.
fn = fieldnames(Cal_Lags.Treatment1);
...
% I want to replace "Pig158320817" with data in fn
output = zIO_treatment1.Lag158320817(:,1) ...
+ mIO_treatment1.Lag158320817(1) ;
fn is a vector of 30 x 1 cell. I select the first cell with k = fn{1, 1}. Now k is character-type. I want to make a forloop to immediately calculate the output for all 30 subjects, using the 'character' in fn, the problem is I can't seemed to incorporate fn{1,1} and select the first column...
Thank you.
  1 个评论
Rik
Rik 2018-11-19
You mean like this?
output=0;
for n=1:numel(fn)
temp=zIO_treatment1.(fn{n});
output=output+temp(:,1);
temp=mIO_treatment1.(fn{n});
output=output+temp(1);
end

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per isakson
per isakson 2018-11-19
编辑：per isakson 2018-11-19
A tiny experiment
>> s.f = {1,2,3,4,5,6,7};
>> name = 'f';
>> s.(name)(6)
ans =
1×1 cell array
{[6]}
>>
I'm guessing. Try something like this
len = length( fn );
output = cell( len, 1 );
for jj = 1 : len
output{jj} = zIO_treatment1.(fn{jj})(:,1) ...
+ mIO_treatment1.(fn{jj})(1) ;
end

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