How can I derive partitions of data sets in for loop

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Ioannis
Ioannis 2013-10-9
回答： A Jenkins 2013-10-9
Hello I have a bunch of data-sets. Each one has 4 columns.
I load them as follows:
for i=1:20
load(['c',num2str(i)])
end
But then, I want to create a new matrix within a for loop, which will store from each file specific samples from a specific column. What I tried and it failed is the following
for j=1:20
dd(:,j)=(['c',num2str(j),'(410:910,2)'])
end
Any hints on how to get around this?
Kind Regards

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A Jenkins
A Jenkins 2013-10-9
Creating arrays with the number in the name is considered bad programming practice, so instead of fixing your code, most people will recommend you use a different method to store your data. If you MUST do it this way, then you will need to use eval.
But please read the FAQ first.
http://matlab.wikia.com/wiki/FAQ#Programming

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