Using fprintf to save a matrix changes the order of my matrix
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Julius Muschaweck on 7 Jun 2021
Your matrix does not change. You are outputting the values in your matrix, six numbers per line, as it is stored internally. And in Matlab, storage is "column major". Try your code in line 17, replacing teste with its transpose, teste' and you will get the desired output.
James Tursa on 7 Jun 2021
Edited: James Tursa on 7 Jun 2021
MATLAB stores 2D matrices in column order. That is, the numbers in your matrix are stored in memory in this order:
0, 1, 2, 3, 2.0151e9, ... etc.
So when you print the matrix out, it simply prints out the numbers as they are stored in memory. If you want it to print like it displays on the screen in MATLAB, print out the transpose. E.g.,
fprintf( whatever , teste.');