Loading multiple .dat files

2013 3 25
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Hi,
I have a set of data consisting N no of files where each file is a column of N no of rows; all I need is to load the entire data column by column and construct a NxN square matrix. Each data file is saved as a .dat file and the Nth file has a name: filename_M_fileend.dat where M has N different values.
How I can construct the data matrix?
Thanks. Arijit

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Azzi Abdelmalek
Azzi Abdelmalek 2013-3-25
编辑：Azzi Abdelmalek 2013-3-25

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data=[];
for k=1:N
data=[data dlmread(sprintf('filename_%d_fileend.dat',k))]
end

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