Writing matrix to .dat file
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I need to write two sets of data to a .dat file. I have two row vectors, n and an. The index n needs to be written to the value of an. When I attempt this, though, I get all of the n values first and then the an values when I need them in two columns. Here's what I tried.
% Transforming vectors into column vector formatting
n = 0:50;
n = n'
% Creating matrix to be called and written to .dat
mat = [n,an];
%%Exporting data to .dat
% Creating file to be written to
fileName = fopen('mat.dat','w');
% Writing data to file
fprintf(fileName, '%f %f\n', mat);
% Closing
fclose(fileName)
%Opening file to read
type mat.dat
I'm not too familiar with this so I'm sure I'm missing something crucial.
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Réponse acceptée
Walter Roberson
le 29 Août 2018
fprintf(fileName, '%f %f\n', mat.');
This is due to the fact that MATLAB accesses data "down" the columns first.
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