In MATLAB, the
fprintf function is used to print formatted text to the command window or to a file. It is similar to the
disp function, but allows you to specify the format of the text that is printed.
The basic syntax for the
fprintf function is:
fprintf(format_string, A, ...)
format_string is a string that specifies the format of the text to be printed. It can contain special characters that control the formatting of the output, such as newline characters (
\n), tab characters (
\t), and formatting codes for numbers and strings.
A, ... part of the syntax represents one or more values that you want to print. These values can be variables or literals, and they will be inserted into the format string in place of the corresponding formatting codes.
For example, consider the following code:
x = 3.14159; y = 'Hello, world!'; fprintf('The value of x is %f and the value of y is %s.\n', x, y)
This code will print the following text to the command window:
The value of x is 3.141590 and the value of y is Hello, world!.
%f formatting code in the format string tells
fprintf to print the value of
x as a floating-point number, and the
%s formatting code tells it to print the value of
y as a string. The
\n at the end of the format string tells
fprintf to start a new line after printing the text.
You can use a variety of formatting codes with
fprintfIncluding codes for printing integers, floating-point numbers, and strings, as well as codes for controlling the output's alignment, width, and precision. You can find more information about the available formatting codes in the MATLAB documentation.