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Save values in a for loop

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Eric
Eric 2014-9-19
评论： Eric 2014-9-22
Hi all,
I trying to create a script that is able to save the values from each run in a 'for loop' for an EEG study. It works very well without the loop (stores values correct in 'powervalue'). The problem is that it's only saving the last value in the 'allpowervalues':
powervalue = zeros(length(freq),1);
allpowervalues = zeros(length(freq),12);
for ii=1:length(freq)
% Script calculating power values for EEG
end
allpowervalues(:,ii)= powervalue;
I hope someone can help.
Christian

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回答（2 个）

the cyclist
the cyclist 2014-9-19
Don't you want the line
allpowervalues(:,ii)= powervalue;
inside the for loop?
Eric
Eric 2014-9-19
Thank you for the response. I already did that but it still doesn't work.
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the cyclist
the cyclist 2014-9-19
This code fills in the entire array for me:
freq = rand(4,1);
powervalue = zeros(length(freq),1);
allpowervalues = zeros(length(freq),12);
for ii=1:12
powervalue = rand(4,1);
allpowervalues(:,ii)= powervalue;
end
I did change your for loop to go from 1:12 instead of 1:length(freq). Maybe that was part of the problem?
Eric
Eric 2014-9-22
Thank you very much for your answer. I finally works.

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