How to read and write a matrix in/from a file on MATLAB?
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Let's we assume that, I have a matrix :
%A=[M,N];
A=[ 5 5 5 5 5 55 5 55 5 ]
, I want to save A in a file TXT. and I can't open that file another time. Also I can modify that file, for example A=A*5;
I did not find the code.
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Image Analyst
2020 年 12 月 12 日
Why can't you open it at another time? How did you write it? Did you use writematrix() or csvwrite()? Or did you use fprintf() but forgot to call fclose():
fid = fopen('TXT.txt', 'wt');
fprintf(fid, '%d ', A);
fclose(fid); % You need this, otherwise MATLAB MAY have a lock on it and other programs won't be able to open it.
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