数据可视化之matplotlib实战：plt.text()函数 添加图形内容细节的无指向型注释文本

import matplotlib.pyplot as plt import numpy as np x = np.linspace(0.05,10,1000) y = np.sin(x) plt.plot(x,y,ls="-.",lw=2,c="c",label="plot figure") plt.legend() plt.text(3.10,0.09,"y=sin(x)",weight="bold",color="b") plt.show()