matlab8.input input function fprintf, disp output function

1. input

x = input(prompt)

Prompt is a text string, used to prompt input.

eg.

prompt = 'What is the original value? ';
x = input(prompt)
y = x*10

Two, disp output

1、disp(X)

Display the value of x without printing the variable name. i.e. no 'x' appears /

2、ans = disp(x)

Another way to display a variable is to type its name, this method will display a prefix before the value, like 'ans='

Three, fprintf

fprintf(formatSpec,A1,...,An)% Format the data and display the result on the screen.

formatSpec: string, but contains the output format of the data. In the final result output in the command line window, the value of A appears in the output format

Output format:

1. %4.2f floating point number, the field width is four digits, including two digits after the decimal point

2. %d integer

Note: \n newline