坐标报告
覆盖coords的默认报告。
import matplotlib.pyplot as plt
import numpy as np
def millions(x):
return '$%1.1fM' % (x*1e-6)
# Fixing random state for reproducibility
np.random.seed(19680801)
x = np.random.rand(20)
y = 1e7*np.random.rand(20)
fig, ax = plt.subplots()
ax.fmt_ydata = millions
plt.plot(x, y, 'o')
plt.show()