using fprintf for matrix csv file

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Isha Sharma
Isha Sharma 2018-4-10
回答： Voss 2023-12-26
I have a matrix A with size 96x16. I am running hundreds of iterations and I want to save A for each iteration. Could someone please help me how I can do this using fprintf() in Matlab.
fid = fopen('Results.csv','wt');
for k=1:1:100
A= (some equation);
fprintf(fid, '%12.6f', A);
fprintf(fid, '\n');
end
fclose(fid)

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回答（1 个）

Voss
Voss 2023-12-26
fid = fopen('Results.csv','wt');
ncol = 16;
format_str = [repmat('%12.6f,',1,ncol) '\n'];
for k = 1:100
A = (some equation);
fprintf(fid, 'Iteration %d\n', k);
fprintf(fid, format_str, A.');
fprintf(fid, '\n');
end
fclose(fid);

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