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Original file (SVG file, nominally 421 × 428 pixels, file size: 87 KB)
Summary
| Description |
English: Log-spaced down contour plot of Himmelblau's function. |
| Date | |
| Source | Own work |
| Author | Nicoguaro |
| SVG development |  This plot was created with Matplotlib. |
| Source code | Python code"""
Contour plot of the Himmelblau function.
"""
from __future__ import division
import numpy as np
import matplotlib.pyplot as plt
from matplotlib import rcParams
rcParams['font.size'] = 12
npts = 201
x, y = np.mgrid[-6:6:npts*1j, -6:6:npts*1j]
z = (x**2 + y - 11)**2 + (x + y**2 - 7)**2
fig = plt.figure(figsize=(5, 5))
levels = np.logspace(0.3, 3.5, 15)
plt.contour(x, y, z, levels, cmap="viridis")
plt.xlabel(r"$x$", fontsize=14)
plt.ylabel(r"$y$", fontsize=14)
plt.xticks([-6, -3, 0, 3, 6])
plt.yticks([-6, -3, 0, 3, 6])
plt.xlim([-6, 6])
plt.ylim([-6, 6])
plt.savefig("Himmelblau_contour.svg", bbox_inches="tight")
plt.show()
|
Licensing
I, the copyright holder of this work, hereby publish it under the following license:
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.
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 00:51, 21 September 2016 | | 421 × 428 (87 KB) | Nicoguaro | User created page with UploadWizard |
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