Read Low level file I-O

My data file is a two-byte floating-point number. Basically, this format consists of a single sign bit, a two-bit negative decimal exponent, and a 13-bit mantissa.

[Image Analyst]

Do you have a question? Like about how your fread() code does not work? http://www.mathworks.com/matlabcentral/answers/6200-tutorial-how-to-ask-a-question-on-answers-and-get-a-fast-answer