matplotlib速成

import matplotlib.pyplot as plt
import numpy as np
from mpl_toolkits.axisartist.axislines import AxesZero

fig = plt.figure()
ax = fig.add_subplot(axes_class=AxesZero)

ax.set_xlabel('x')
ax.set_ylabel('y')

ax.grid(True, color='#b0b0b0') # default color: #b0b0b0

for direction in ["xzero", "yzero"]:
    # adds arrows at the ends of each axis
    ax.axis[direction].set_axisline_style("-|>")

    # adds X and Y-axis from the origin
    ax.axis[direction].set_visible(True)

for direction in ["left", "right", "bottom", "top"]:
    # hides borders
    ax.axis[direction].set_visible(False)

x = np.linspace(-2 * np.pi, 2 * np.pi, 80)
y = np.sin(x)

ax.plot(x, y, linestyle='--', color='red', marker='*')

ax.set_xticks(np.linspace(-2 * np.pi, 2 * np.pi, 5), ["$-2\pi$", "$-\pi$", "$0$", "$\pi$", "$2\pi$"])

# ax.spines['bottom'].set_position(("data", 0))
# ax.spines['left'].set_position(("data", 0))

plt.show()