12.3.10.1.25. Tex

# imports
import matplotlib.pyplot as plt
import numpy as np

# http://matplotlib.org/users/customizing.html
plt.rcParams["font.family"] = "serif"

Generate without latex.usetext

title = r"TeX is Number $\sum_{n=1}^\infty \frac{-e^{i\pi}}{2^n}$!"
xLabel = r"time (s)"
yLabel = "velocity [°/sec]"

fig, ax = plt.subplots(1)  # create a new figure window
t = np.arange(0.0, 1.0 + 0.01, 0.01)
s = np.cos(2 * 2 * np.pi * t) + 2

ax.plot(t, s)  # plot line

ax.set_xlabel(xLabel)  # x axis label
ax.set_ylabel(yLabel)  # y axis label
ax.set_title(title, fontsize=16, color="r")  # title

ax.grid(True)  # create grid
plt.show()