python 添加圖例

Sigma (𝜎) is very often used greek mathematical letters and has a higher repetition in probability. In this article, we are going to add 𝜎 using a command in matplotlib.

Sigma(𝜎)是希臘數學字母中經常使用的字母，其重復率更高。 在這篇文章中，我們將添加σ在matplotlib使用命令。

plt.text(3, 0.4, r'$\sigma=100$') #Adding 𝜎 as text plt.title('Errorbar with 'r'$\sigma=100$') #Adding 𝜎 in title of the figure plt.xlabel('Time ('r'$\sigma=100)$') #Adding 𝜎 in title of the figure plt.ylabel('Variation ('r'$\sigma=100)$') #Adding 𝜎 in title of the figure

在情節標簽中添加omega的Python代碼 (Python code for adding omega in plot label)

import numpy as np import matplotlib.pyplot as pltx = np.arange(0.1, 5, 0.1) y = np.sin(x)*np.exp(-x)# In text plt.figure() plt.plot(x,y, 'o', color='purple') plt.title('Errorbar') plt.text(4, 0.0, r'$\sigma=100$') plt.grid() plt.show()# In title plt.figure() plt.plot(x,y, 'o', color='purple') plt.title('Plotting with 'r'$\sigma=100$') plt.grid() plt.show()# In x-axis label plt.figure() plt.plot(x,y, 'o', color='purple') plt.xlabel('Time ('r'$\sigma=100)$') plt.grid() plt.show()# In y-axis label plt.figure() plt.plot(x,y, 'o', color='purple') plt.ylabel('Function ('r'$\sigma=100)$') plt.grid() plt.show()

Output:

輸出：

Output is as figure

翻譯自: https://www.includehelp.com/python/adding-sigma-in-plot-label.aspx

python 添加圖例

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