使用字典控制文本和标签的样式

此示例演示如何通过创建跨多个函数传递的选项字典来跨多个文本对象和标签共享参数。

Damped exponential decay
import numpy as np
import matplotlib.pyplot as plt


font = {'family': 'serif',
        'color':  'darkred',
        'weight': 'normal',
        'size': 16,
        }

x = np.linspace(0.0, 5.0, 100)
y = np.cos(2*np.pi*x) * np.exp(-x)

plt.plot(x, y, 'k')
plt.title('Damped exponential decay', fontdict=font)
plt.text(2, 0.65, r'$\cos(2 \pi t) \exp(-t)$', fontdict=font)
plt.xlabel('time (s)', fontdict=font)
plt.ylabel('voltage (mV)', fontdict=font)

# Tweak spacing to prevent clipping of ylabel
plt.subplots_adjust(left=0.15)
plt.show()

关键词:matplotlib代码示例,codex,python plot,pyplot Gallery generated by Sphinx-Gallery