You specify these elements in the following order: The format string can contain escape characters to represent non-printing characters such as newline characters and tabs.Ĭonversion specifications begin with the % character and contain these optional and required elements: A conversion specification controls the notation, alignment, significant digits, field width, and other aspects of output format. The format argument is a string containing C language conversion specifications. See fopen for more information.) Omitting fid causes output to appear on the screen.
(It may also be 1 for standard output (the screen) or 2 for standard error. fprintf returns a count of the number of bytes written.Īrgument fid is an integer file identifier obtained from fopen. Fprintf (MATLAB Functions) MATLAB Function Referenceįormats the data in the real part of matrix A (and in any additional matrix arguments) under control of the specified format string, and writes it to the file associated with file identifier fid.