Octave Input and Output

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8 years ago

Overview

In this tutorial, we will learn about Octave input and output
statements.

The input function can be used to prompt the user for a value and store the result in a variable.

For example, the statement prints the prompt and stores the user input in a variable num.

num = input (“Enter the number: “)

>> a = input(‘Enter number=’);
Enter number=47
>> a
a = 47
>> disp(a)
47

To print the value of a variable, we can use the disp function.
For example, the following statement will output the value of the variable num.

We can use the following output statements in Octave:

We can use the format specifiers in the output statement, for example in the fprintf statement.

Format Specifier	Description
%d	To print scalar numbers.
%f	To print floating-point numbers.
%c	To print a single character.
%s	To print strings.

Example to use the display function:

disp (num)

Example to use the fprintf function:

fprintf(‘%d’,num);

>> a = 25;
>> a
a = 25
>> disp(a)
25
>> fprintf(‘Value of a = %d\n’,a);
Value of a = 25

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Octave Tutorial on this website can be found at:
https://www.testingdocs.com/octave-tutorial/

More information on Octave can be found on the official website:
https://www.gnu.org/software/octave/index