Syntax: input_user1 = input('Please input your number: ');

In the Command Window you will be asked: Please input your number:

Then you can input a number such as 2.

Syntax: input_user2 = input('Please input your name: ','s');  % your input is a string.

In the Command Window you will be asked: Please input your name:

Then you can input a name string such as David.

Syntax: fprintf('Thank you for inputting your name n');  % n gives a new line.

Output: Thank you for inputting your name

More about fprintf:

Syntax: fprintf(formatSpec,A1,A2,...)

% formatSpec specified as a character vector containing formatting operators.

Formatting Operator

A formatting operator starts with a percent sign, %,and ends with a conversion character. The conversion character is required. Optionally, you can specify identifier, flags, field width,precision, and subtype operators between % and the conversion character. (Spaces are invalid between operators andare shown here only for readability).

e.g. %d ->科学计数法形式; %.2f->floting-point number with 2 digits after the decimal point; %5.2f-> 5 sapces (width=5) for the floting-point number with 2 digits after the decimal point.

% what if you forget or add one variable?

% display % (with %%), (with \) and ' (with '')