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copied!<p>As <a href="https://stackoverflow.com/questions/205735/read-and-write-fromto-a-binary-file-in-matlab#205819">Bill the Lizard</a> wrote you can use fread to load the data into a vector. I just want to expand a little on his answer. </p> <h3>Reading Data</h3> <pre><code>>> fid=fopen('data.bin','rb') % opens the file for reading >> A = fread(fid, count, 'int16') % reads _count_ elements and stores them in A. </code></pre> <p>The commands <em>fopen</em> and <em>fread</em> default to Little-endian[1] encoding for the integers. If your file is Big-endian encoded you will need to change the <em>fread</em> to</p> <pre><code>>> A = fread(fid, count, 'int16', 'ieee-be'); </code></pre> <p>Also, if you want to read the whole file set </p> <pre><code>>> count=inf; </code></pre> <p>and if you want to read the data into matrix with <em>n</em> columns use</p> <pre><code>>> count=[n inf]; </code></pre> <h3>Writing Data</h3> <p>As for witting the data to a file. The command, <em>fwrite</em>, in <a href="https://stackoverflow.com/questions/205735/read-and-write-fromto-a-binary-file-in-matlab#205819">Bill's</a> answer will write to a binary file. If you want to write the data to a text file you can use <em>dlmwrite</em></p> <pre><code>>> dlmwrite('data.csv',A,','); </code></pre> <h3>References</h3> <p>[1] <a href="http://en.wikipedia.org/wiki/Endianness" rel="nofollow noreferrer">http://en.wikipedia.org/wiki/Endianness</a></p> <h3>Update</h3> <ol> <li><p>The machine format (IE, <em>ieee-be</em>, <em>ieee-le</em>, <em>vaxd</em> etc.) of the binary data can be specified in either the <em>fopen</em> or the <em>fread</em> commands in Matlab. Details of the supported machine format can be found in Matlab's documentation of <em>fopen</em>. </p></li> <li><p><a href="https://stackoverflow.com/users/4928/scott-french">Scott French's</a> comment to <a href="https://stackoverflow.com/questions/205735/read-and-write-fromto-a-binary-file-in-matlab#205819">Bill's answer</a> suggests reading the data into an int16 variable. To do this use</p> <pre><code>>> A = int16(fread(fid,count,precision,machineFormat)); </code></pre> <p>where <em>count</em> is the size/shape of the data to be read, <em>precision</em> is the data format, and <em>machineformat</em> is the encoding of each byte.</p></li> <li><p>See commands <em>fseek</em> to move around the file. For example, </p> <pre><code>>> fseek(fid,0,'bof'); </code></pre> <p>will rewind the file to the beginning where <em>bof</em> stands for <em>beginning of file</em>.</p></li> </ol>

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