Octave plot example of function y=x^2

Introduction

In this tutorial, we will go through the steps involved to write a simple script to plot data using the Octave application. Let’s take a sample function

 

\huge f(x) = x^{2}

or

\huge y = x^{2}

 

Plot example

All the script commands should be placed in a file with .m extension.  To create a script file

Editor >> File >> Save File >> <filnename>.m

 

Give a name to the script file and save the file.

Add the script code.

Script

% TestingDocs.com Tutorials
% Simple plot example y = x^2
x=linspace(1,10,10);
y= x.^2;
figure
plot(x,y);
xlabel('x')
ylabel('y')
title('Simple plot - www.TestingDocs.com')

 

 

Simple Plot Example

linspace

linspace is a built-in function that returns a row vector with n linearly spaced elements between the specified interval parameters.

 

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Octave Tutorials

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

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