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Write an array of data to multiple text file but it shows error
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x =rand(10,1);
for i=1:10
A = x*i;
textFilename = ['akg_' num2str(i) '.txt'];
fid=fopen(textFilename,'w');
fprintf(fid,'%f\n',A(i));
fclose(fid);
end
I get the error
Error using fprintf
Invalid file identifier. Use fopen to generate a valid file identifier.
error in xyz (line 6)
fprintf(fid,'%f\n',A(i));
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/170179/image.jpeg)
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/170180/image.jpeg)
4 Kommentare
per isakson
am 10 Feb. 2018
I guess you don't have write permission in the current directory
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/187763/image.png)
Write to a different directory
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