writing complex to a file

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yasser
yasser 2014-5-10
评论： yasser 2014-5-10
i need to write a complex vector to a file from matlab
i tried
clear;
A=complex(randn(1,5)/sqrt(2),randn(1,5)/sqrt(2));
for k=1:length(A)
tmp=num2str(A(k));
fileID = fopen('tst.txt','wt');
fprintf(fileID,'%s\n',tmp);
fclose(fileID);
end
but it gives only single line in file

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采纳的回答

the cyclist
the cyclist 2014-5-10
Only open and close the file once, not repeatedly in the loop:
clear;
A=complex(randn(1,5)/sqrt(2),randn(1,5)/sqrt(2));
fileID = fopen('tst.txt','wt');
for k=1:length(A)
tmp=num2str(A(k));
fprintf(fileID,'%s\n',tmp);
end
fclose(fileID);

更多回答（1 个）

dpb
dpb 2014-5-10
>> z
z =
2.7247 + 0.0875i 7.7582 + 0.3089i 3.3141 + 0.2309i 6.0307 + 0.9092i 1.8401 + 0.9369i
>> fmt=['%.2f + %.2fi \n'];
>> fprintf(fmt,[real(z); imag(z)])
2.72 + 0.09i
7.76 + 0.31i
3.31 + 0.23i
6.03 + 0.91i
1.84 + 0.94i
>>
Salt format to suit...above is for human consumption.

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