File:Sinc abs.svg

Summary

Description
English: Svg version of .
Date
Source Own work
Author IkamusumeFan
SVG development
InfoField
 The SVG code is valid.
 This vector image was created with an unknown SVG tool.
Category:Valid SVG created with Other tools#Sinc%20abs.svg
   This SVG map uses required raster graphics to show delicate structures.
Category:SVG images with required raster graphics

Python/Matplotlib Source Code

#!/usr/bin/env python
 
"""This generates the graph depicting |sinc(z)|."""
# Author: Ika. 2015-08-13

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

low = -7.0
high = 7.0
tic = 0.1

X = np.arange(low, high, tic)

Z = np.outer(X,X)

for i in range(len(X)):
	for j in range(len(X)):
		x = low + tic*j
		y = low + tic*i
		if np.abs(x)<tic and np.abs(y)<tic:
			Z[i][j] = 0.0
		else:
			Z[i][j] = np.abs((np.exp(1j*(x+1j*y))-np.exp(-1j*(x+1j*y)))/(2j*(x+1j*y)))

plt.figure(figsize=(4,3.2))
plt.axes([0.18,0.08,0.76,0.9])

plt.imshow(Z, origin='lower', \
			cmap=plt.cm.gist_rainbow,\
			extent=(low, high, low, high))
plt.colorbar(shrink=0.84)
for a in plt.gca().get_xticklabels():
    a.set_size(10)
for a in plt.gca().get_yticklabels():
    a.set_size(10)
plt.savefig("sinc_abs.svg")

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.
Category:CC-BY-SA-4.0#Sinc%20abs.svgCategory:Self-published work
Category:Sinc function
Category:CC-BY-SA-4.0 Category:SVG images with required raster graphics Category:Self-published work Category:Sinc function Category:Valid SVG created with Other tools