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Original file (SVG file, nominally 360 × 270 pixels, file size: 15 KB)
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Summary
| Description |
English: Trident curve for y = ∞ with a = b = c = d = 1. |
| Date | |
| Source | Own work |
| Author | Nicoguaro |
| SVG development |  This plot was created with Matplotlib. |
| Source code | Python code# -*- coding: utf-8 -*-
from __future__ import division
import numpy as np
import matplotlib.pyplot as plt
#
red = "#e41a1c"
gray = "#666666"
plt.rcParams["mathtext.fontset"] = "cm"
plt.rcParams["axes.spines.top"] = False
plt.rcParams["axes.spines.right"] = False
plt.rcParams["axes.edgecolor"] = gray
plt.rcParams["xtick.color"] = gray
plt.rcParams["ytick.color"] = gray
a, b, c, d = 1, 1, 1, 1
y, x, = np.mgrid[-1:1:101j, -1:1:101j]
z = a*x**3 + b*x**2*y + c*x*y**2 + x*y - d*y**3
fig, ax = plt.subplots(figsize=(4, 3))
plt.contour(x, y, z, [0], colors=red)
plt.xlabel(r"$x$", fontsize=16)
plt.ylabel(r"$y$", rotation="horizontal", fontsize=16)
ax.spines['bottom'].set_position(('data', 0))
ax.spines['left'].set_position(('data', 0))
plt.xticks([-1, -0.5, 0.5, 1])
plt.yticks([-1, -0.5, 0.5, 1])
ax.xaxis.set_label_coords(1.0, 0.6)
ax.yaxis.set_label_coords(0.55, 0.95)
plt.grid(alpha=0.2)
plt.savefig("newton_trident_y=inf.svg")
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 | 16:50, 12 April 2018 | | 360 × 270 (15 KB) | Nicoguaro | User created page with UploadWizard |
File usage
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Global file usage
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- Usage on tt.wikipedia.org
