creating a for loop
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Inti Vanmechelen
2015 年 12 月 21 日
コメント済み: Walter Roberson
2015 年 12 月 21 日
I Know it is probably a really stupid question, but I've been working on this thing for a couple houres and I can't get it to work..
I calculated the means and standardeviations for 6 muscles in 3 motions (Gait, StairUp, StairDown) and my intention is to create 3 structures, respectively: Gait, StairUp and Stairdown, containing the mans and std's of the 6 muscles.
Gait.soleus(:,2) = std(soleus.Gait,0,2);
Gait.tibant(:,2) = std(tibant.Gait,0,2);
Gait.gaslat(:,2) = std(gaslat.Gait,0,2);
Gait.vaslat(:,2) = std(vaslat.Gait,0,2);
Gait.rectfem(:,2) = std(rectfem.Gait,0,2);
Gait.hamlat(:,2) = std(hamlat.Gait,0,2);
StairUp.soleus(:,2) = std(soleus.StairUp,0,2);
StairUp.tibant(:,2) = std(tibant.StairUp,0,2);
StairUp.gaslat(:,2) = std(gaslat.StairUp,0,2);
StairUp.vaslat(:,2) = std(vaslat.StairUp,0,2);
StairUp.rectfem(:,2) = std(rectfem.StairUp,0,2);
StairUp.hamlat(:,2) = std(hamlat.StairUp,0,2);
StairDown.soleus(:,2) = std(soleus.StairDown,0,2);
StairDown.tibant(:,2) = std(tibant.StairDown,0,2);
StairDown.gaslat(:,2) = std(gaslat.StairDown,0,2);
StairDown.vaslat(:,2) = std(vaslat.StairDown,0,2);
StairDown.rectfem(:,2) = std(rectfem.StairDown,0,2);
StairDown.hamlat(:,2) = std(hamlat.StairDown,0,2);
Gait.soleus(:,1) = mean(soleus.Gait,2);
Gait.tibant(:,1) = mean(tibant.Gait,2);
Gait.gaslat(:,1) = mean(gaslat.Gait,2);
Gait.vaslat(:,1) = mean(vaslat.Gait,2);
Gait.rectfem(:,1) = mean(rectfem.Gait,2);
Gait.hamlat(:,1) = mean(hamlat.Gait,2);
StairUp.soleus(:,1) = mean(soleus.StairUp,2);
StairUp.tibant(:,1) = mean(tibant.StairUp,2);
StairUp.gaslat(:,1) = mean(gaslat.StairUp,2);
StairUp.vaslat(:,1) = mean(vaslat.StairUp,2);
StairUp.rectfem(:,1) = mean(rectfem.StairUp,2);
StairUp.hamlat(:,1) = mean(hamlat.StairUp,2);
StairDown.soleus(:,1) = mean(soleus.StairDown,2);
StairDown.tibant(:,1) = mean(tibant.StairDown,2);
StairDown.gaslat(:,1) = mean(gaslat.StairDown,2);
StairDown.vaslat(:,1) = mean(vaslat.StairDown,2);
StairDown.rectfem(:,1) = mean(rectfem.StairDown,2);
StairDown.hamlat(:,1) = mean(hamlat.StairDown,2);
Obviously, this needs to go in a for loop to be more efficient, but If I try loop over the different muscles with:
Names2 = {'soleus' 'tibant' 'gaslat' 'vaslat' 'rectfem' 'hamlat'};
format = size(Names2);
for s = 1:1:format(2);
For the first element this would give:
Gait.(names2{s})(:,2) = std((names2{s}).Gait,0,2);
But matlab gives a red square saying: "invalid use of ')'" before I run anything..
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Walter Roberson
2015 年 12 月 21 日
Names2 = {'soleus' 'tibant' 'gaslat' 'vaslat' 'rectfem' 'hamlat'};
Vars2 = {soleus, tibant, gaslat, vaslat, rectfem, hamlat};
nvars = length(Vars2);
for s = 1 : nvars
Gait.(names2{s})(:,2) = std(Vars2{s}.Gait,0,2);
end
2 件のコメント
Walter Roberson
2015 年 12 月 21 日
length(Vars2) is the same as length(Names2) . Because we constructed both of them using a row vector, the length corresponds to the second dimension, same as size(Names2,2). length() is easier to write.
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