文章目录

前言

来自 莫烦python的总结。

图中图

left,bottom,width,height = 百分比

fig = plt.figure()x = [1,2,3,4,5,6,7]y = [1,2,3,9,5,6,7]left,bottom,width,height = 0.1,0.1,0.8,0.8 #figure的百分比ax1 = fig.add_axes([left,bottom,width,height])ax1.plot(x,y,'r')ax1.set_xlabel('x')ax1.set_ylabel('y')ax1.set_title('one')##left,bottom,width,height = 0.2,0.6,0.25,0.25 #figure的百分比ax2 = fig.add_axes([left,bottom,width,height])ax2.plot(x,y,'r')ax2.set_xlabel('x')ax2.set_ylabel('y')ax2.set_title('two')plt.axes([0.6,0.2,0.25,0.25]) # 对应于上面的 left,bottom,width,heightplt.plot(x,y,'g')plt.xlabel('x')plt.ylabel('y')plt.title('three')

次坐标（两个y轴）

x = np.arange(0,10,0.1)y1 = 0.5*x**2y2 = -1*y1fig,ax1 = plt.subplots()ax2 = ax1.twinx() # 镜像对称 生成ax2次坐标；ax1.plot(x,y1,'g-')ax2.plot(x,y2,'b-')ax1.set_xlabel('X data')ax1.set_ylabel('Y1',color = 'g')ax2.set_ylabel('Y2',color = 'b')