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File:Surface normals.svg

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    Original file (SVG file, nominally 575 × 449 pixels, file size: 237 KB)

    Summary

    Description
    English: Normal vectors for the surface xe−x2−y2.
    Español: Vectores normales a la superficie xe−x2−y2.
    Date
    Source Own work
    Author Nicoguaro
    SVG development
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     The SVG code is valid.
     This plot was created with Matplotlib.
    Source code
    InfoField

    Python code

    import numpy as np
import matplotlib.pyplot as plt
from mpl_toolkits.mplot3d import Axes3D

x, y = np.mgrid[-1:1:31j, -1:1:31j]
xs, ys = np.mgrid[-1:1:9j, -1:1:9j]

z = x*np.exp(-x**2 - y**2)
zs = xs*np.exp(-xs**2 - ys**2)
u = -(1 - 2*xs**2)*np.exp(-xs**2 - ys**2)
v = 2*ys*zs
w = np.ones_like(xs)

fig = plt.figure()
ax = fig.add_subplot(111, projection='3d')
ax.view_init(azim=145, elev=45)
ax.plot_surface(x, y, z, rstride=1, cstride=1, cmap="summer", lw=0.3,
                edgecolors="k")
ax.quiver(xs, ys, zs, u, v, w, colors='k', pivot='tail', length=0.3)
plt.axis("off")
plt.savefig("Surface normals.svg", bbox_inches="tight", transparent=True)
plt.show()

    Licensing

    I, the copyright holder of this work, hereby publish it under the following license:
    w:en:Creative Commons
    attribution
    This file is licensed under the Creative Commons Attribution 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.

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    inception

    11 February 2016

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    Date/TimeThumbnailDimensionsUserComment
    current01:16, 12 February 2016Thumbnail for version as of 01:16, 12 February 2016575 × 449 (237 KB)NicoguaroUser created page with UploadWizard

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