File:Brent method example SVG.svg
Summary
| Description |
English: SVG version of Brent method example for y=(x+3)(x-1)^2. Plotted by Python Matplotlib. |
| Date | |
| Source |
Own work |
| Author | IkamusumeFan |
| Other versions |
Related work: See right.   |
| SVG development | |
| Source code | Python code# Author: Ika, 2013-08-10
import numpy as np
import matplotlib.pyplot as plt
import scipy.special as sp
import random
plt.figure()
plt.axes([0.17,0.13,0.79,0.8])
plt.hold(True)
Q = []
# Draw the function curve.
X = np.arange(-4.5, 2.1, 0.001)
Y = (X+3)*(X-1)*(X-1)
a = plt.plot(X, Y, '-', color='blue', lw=3)
Q.append(a)
plt.xlim(-5,3)
plt.ylim(-32,10)
# Set up the spines
ax = plt.gca()
ax.spines['right'].set_color('none')
ax.spines['top'].set_color('none')
ax.xaxis.set_ticks_position('bottom')
ax.spines['bottom'].set_position(('data',0))
ax.yaxis.set_ticks_position('left')
ax.spines['left'].set_position(('data',0))
# Set label
ax.text(-3.5,-20,r'$y=(x+3)(x-1)^2$',fontsize=24)
plt.savefig("Brent_method_example_SVG.svg")
|
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