How to write an unformatted binary file in MATLAB that will be read in FORTRAN

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Celso Carranza
Celso Carranza 2019-1-25
编辑： Rik 2019-1-25
I have tried the following code, but I keep getting the following error:
I/O past end of record on unformatted file
The code I used to write the file in MATLAB is as follows:
a = [1 2; 3 4];
fid = fopen('K,'wb');
fwrite(fid,a,'*double');
fclose(fid);
The code I used to read the matrix in FORTAN is the following:
C =============================================================================
INTEGER N
PARAMETER N = 2
INTEGER LDA
PARAMETER LDA = N
CHARACTER K
DOUBLE PRECISION A( LDA, N )
OPEN ( UNIT = 1, FILE = "K", FORM = "unformatted",
$ STATUS = "old" )
READ (1) A
CLOSE (1)
C Check whether it produced the correct matrix
WRITE (*,*) A(1,1)
WRITE (*,*) A(1,2)
WRITE (*,*) A(2,1)
WRITE (*,*) A(2,2)
END
I would like the code to have the same effect as me just manually putting the matrix in FORTRAN as shown in the following:
DATA A/
$1, 2,
$3, 4,
$ /

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