File:Twisted Hessian curve.svg

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Original file (SVG file, nominally 590 × 575 pixels, file size: 23 KB)

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Summary

Description
English: Twisted hessian curve given by .
Date
Source Own work
Author Krishnavedala
SVG development
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 The SVG code is valid.
 This plot was created with Matplotlib by KrishnaVedala.
Source code
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Python code

source code 
import numpy as np
import matplotlib.pyplot as plt
from mpl_toolkits.axisartist.axislines import SubplotZero

delta = 0.01
x = np.arange(-3, 3, delta)
y = np.arange(-4, 4, delta)
X, Y = np.meshgrid(x, y)
Z = (10 * (X**3)) + (Y**3) - (15 * X * Y) + 1

fig = plt.figure(figsize=(8,8))
ax = SubplotZero(fig, 1, 1, 1)
fig.add_subplot(ax)

ax.contour(X, Y, Z, [0], colors='red')
ax.grid(True)

for border in ['left','right','top','bottom']:
    ax.axis[border].set_visible(False)

ax.axis['xzero'].set_visible(True)
ax.axis['yzero'].set_visible(True)

Licensing

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  • 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.
GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.
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inception

23 May 2011

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Date/TimeThumbnailDimensionsUserComment
current20:13, 24 April 2018Thumbnail for version as of 20:13, 24 April 2018590 × 575 (23 KB)wikimediacommons>Krishnavedalacurve identified in "red" color

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