How To Export a Matrix as a CSV File in MATLAB?
Last Updated :
18 Oct, 2022
A CSV file – Comma Separated File, as the name suggests, is a file that stores data delimited by a ‘ , ‘. In MATLAB, there is a simple way of exporting a matrix to a csv file. The writematrix() function is used to write a matrix into any desired file type. The syntax is
writematrix(<matrix_name>, “filename.extension”);
This will create a new file in the current directory with the matrix stored in it. Let us see the same for csv files with various examples. Now, the following is a 2×5 matrix, and we will export it to a csv file named matrix.csv.
Example 1:
Matlab
m = [1 2 3 4 5;10 9 8 7 6];
writematrix(m, 'matrix.csv')
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Output:
The created csv file:
Let’s export a 4×5 matrix with floating point data to csv file.
Example 2:
Matlab
m = [
1.1 1.2 1.3 1.4 1.5;
2.1 2.2 2.3 2.4 2.5;
3.1 3.2 3.3 3.4 3.5;
4.1 4.2 4.3 4.4 4.5
];
writematrix(m, 'matrix.csv')
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Output:
The new csv file would be:
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