when i write doesn't displays anything

2 次查看(过去 30 天)
fid = fopen('new.bin','w');
A= [1 2 3 4];
fwrite(fid,A);
fclose(fid);
this code doesn't gives any data in the bin file when i open that file in matlab i didn't see anything.

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KSSV
KSSV 2016-10-28
% Wrtie a binary file
fid = fopen('new.bin','w');
A= [1 2 3 4];
fwrite(fid,A);
fclose(fid);
% Read the file created
fid = fopen('new.bin','r') ;
A = fread(fileID) ;
fclose(fid)
A
It is working fine. You are writing data to a binary file, use fread to read the file created.
Note: You asked many questions and accepted no answer so far. You must acknowledge the people who spent time to answer your queries. You have to accept the answer.
  3 个评论
KSSV
KSSV 2016-10-28
编辑:KSSV 2016-10-28
As you know the format while you have written the file. You can read the file as below:
fid = fopen('new.bin','r') ;
A = fread(fileID,[1 4]) ;
fclose(fid) ;
A
I suggest you to read documentation part of fread.

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