Summary

DescriptionQuadratic basis.svg	English: Basis for all quadratic functions, plotted in the interval [0, 3].
Date	16 July 2018
Source	Own work
Author	Åshild Telle
SVG development InfoField	The SVG code is valid.   This plot was created with Matplotlib. Category:Valid SVG created with Matplotlib#Quadratic%20basis.svg

Licensing

I, the copyright holder of this work, hereby publish it under the following license:

This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.

You are free:

• to share – to copy, distribute and transmit the work
• to remix – to adapt the work

Under the following conditions:

• attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
• share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.

https://creativecommons.org/licenses/by-sa/4.0CC BY-SA 4.0 Creative Commons Attribution-Share Alike 4.0 truetrue

Category:CC-BY-SA-4.0#Quadratic%20basis.svg

Code

import numpy as np
import matplotlib.pyplot as plt

"""
    Plots the function
        f(x) = x**n
    over a given interval.

    Arguments:
        x : Numpy array
        n : Integer value
"""
def plot_basis(x, n):
    y = np.power(x, n)
    plt.plot(x, y)

x = np.linspace(0, 3, 100)

plot_basis(x, 0)
plot_basis(x, 1)
plot_basis(x, 2)
plt.legend(["$1$", "$x$", "$x^2$"])

plt.xlim([min(x), max(x)])
plt.savefig("quadratic_basis.svg", format="svg")
plt.show()