Jump to content

File:Mplwp Kelvin-ker-norm.svg

Page contents not supported in other languages.
This is a file from the Wikimedia Commons
From Wikipedia, the free encyclopedia

Original file (SVG file, nominally 600 × 400 pixels, file size: 35 KB)

Summary

Description
English: Normalized Kelvin function ker(x)·exp(x/√2) plotted in the interval [0, 50]:
where is the Bessel function of the second kind.
Date
Source Own work
Author Geek3
SVG development
InfoField
 
The SVG code is valid.
 
This plot was created with mplwp, the Matplotlib extension for Wikipedia plots.
Source code
InfoField

mplwp source code

The plot was generated with mplwp 1.7
#!/usr/bin/python
# -*- coding: utf8 -*-

import matplotlib.pyplot as plt
import matplotlib as mpl
import numpy as np
from math import *

code_website = 'https://commons.wikimedia.org/wiki/User:Geek3/mplwp'
try:
    import mplwp
except ImportError, er:
    print 'ImportError:', er
    print 'You need to download mplwp.py from', code_website
    exit(1)

name = 'mplwp_Kelvin-ker-norm.svg'
fig = mplwp.fig_standard(mpl)

xlim = 0, 50; fig.gca().set_xlim(xlim)
ylim = -1, 2; fig.gca().set_ylim(ylim)
mplwp.mark_axeszero(fig.gca())
mplwp.move_axes(fig, 6, 0)

from scipy.special import kelvin

x = np.linspace(xlim[0], xlim[1], 5001)
y = np.array([kelvin(xx)[1].real * exp(xx/sqrt(2)) for xx in x])
plt.plot(x, y, label='ker(x) $\cdot$ exp(x/$\sqrt{2}$)')

plt.legend(loc='upper center')
plt.savefig(name)
mplwp.postprocess(name)

Licensing

I, the copyright holder of this work, hereby publish it under the following license:
w:en:Creative Commons
attribution share alike
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.

Captions

Add a one-line explanation of what this file represents

Items portrayed in this file

depicts

25 November 2017

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current23:25, 25 November 2017Thumbnail for version as of 23:25, 25 November 2017600 × 400 (35 KB)Geek3User created page with UploadWizard

The following page uses this file:

Global file usage

The following other wikis use this file:

Metadata