Simple Plot,单个图表

#Simple Plotimport matplotlib.pyplot as pltimport numpy as np#Data for plottingt=np.arange(0.0,2.0,0.01)s=1+np.sin(2*np.pi*t)# Note that using plt.subplots below is equivalent to using# fig = plt.figure and then ax = fig.add_subplot(111)fig,ax=plt.subplots()ax.plot(t,s)      #创建图表#设置图表格式ax.set(xlabel='time(s)',ylabel='voltage(mV)',      title='About as simple as it gets,folks')ax.grid()         #显示网格线plt.show()                #显示图片

Multiple Subplots in one figure,多个图表

#Multiple Subplotsimport matplotlib.pyplot as pltimport numpy as np#Data for plot#np.linspace default number=50x1=np.linspace(0.0,5.0)x2=np.linspace(0.0,2.0)y1=np.cos(2*np.pi*x1)y2=np.cos(2*np.pi*x2)#创建第1张图plt.subplot(2,1,1)plt.plot(x1,y1,'o-')plt.title('A tale of 2 subplots')      #标题栏plt.ylabel('Damped oscillation')       #y轴标签 #创建第2张图plt.subplot(2,1,2)plt.plot(x2,y2,'.-')plt.xlabel('time(s)')                 #x轴标签 plt.ylabel('Undamped')                #y轴标签plt.show()                            #显示图片