pylab_examples example code: mathtext_demo.py

(Source code, png, pdf)

"""
Use matplotlib's internal LaTeX parser and layout engine.  For true
latex rendering, see the text.usetex option
"""
import numpy as np
from matplotlib.pyplot import figure, show

fig = figure()
fig.subplots_adjust(bottom=0.2)

ax = fig.add_subplot(111)
ax.plot([1, 2, 3], 'r')
x = np.arange(0.0, 3.0, 0.1)

ax.grid(True)
ax.set_xlabel(r'$\Delta_i^j$', fontsize=20)
ax.set_ylabel(r'$\Delta_{i+1}^j$', fontsize=20)
tex = r'$\mathcal{R}\prod_{i=\alpha_{i+1}}^\infty a_i\sin(2 \pi f x_i)$'

ax.text(1, 1.6, tex, fontsize=20, va='bottom')

ax.legend([r"$\sqrt{x^2}$"])

ax.set_title(r'$\Delta_i^j \hspace{0.4} \mathrm{versus} \hspace{0.4} \Delta_{i+1}^j$', fontsize=20)

show()

Keywords: python, matplotlib, pylab, example, codex (see Search examples)