How to save a matrix output to a text file that located in different folder?

Question

Abdulaziz Abutunis 2017-9-16

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/357000-how-to-save-a-matrix-output-to-a-text-file-that-located-in-different-folder

评论： Abdulaziz Abutunis 2017-9-16

Hello All,

I want to save a matrix output (My_matrix ) to a text file (scaled_1.txt) that located in different folder than the script (.m file).

I have tried

fid = fopen('F:\output\scale\scaled_1.txt', 'w'); 
fprintf(fid, '%s\n', ' My_matrix '); 
fclose(fid)

This will only print the text (My_matrix ) and not the content of the matrix.

I appreciate your suggestions in advance

Thanks

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Answer 1

Walter Roberson 2017-9-16

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https://ww2.mathworks.cn/matlabcentral/answers/357000-how-to-save-a-matrix-output-to-a-text-file-that-located-in-different-folder#answer_281850

在 MATLAB Online 中打开

filename = 'F:\output\scale\scaled_1.txt';
arrayname = 'My_matrix';
fid = fopen(filename, 'w'); 
fprintf(fid, ' %s \n', arrayname); 
fclose(fid)
save(filename, arrayname, '-ascii', '-double', '-append');

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Abdulaziz Abutunis 2017-9-16

Thank you Walter for the great suggestion as usual. BUT!! The code you suggested was able to write the matrix to the specified text file but it also writes the matrix name (My_matrix) to the text file at the beginning. Do you have any further adjustment to prevent printing the matrix name to the text file and only keep matrix content.

Thank you,

Abdulaziz Abutunis 2017-9-16