1 import matplotlib.pyplot as plt 2 import matplotlib as mp1 3 import numpy as np 4 import datetime 5 fig = plt.figure() 6 star = datetime.datetime(2015,1,1) 7 stop = datetime.datetime(2016,1,1) 8 delta = datetime.timedelta(days=1) 9 10 dates = mp1.dates.drange(star,stop,delta) 11 12 y = np.random.rand(len(dates)) 13 14 ax = plt.gca() 15 16 ax.plot_date(dates,y,linestyle='-',marker='') 17 date_format = mp1.DateFormatter('%Y-%m-%d') 18 ax.xaxis.set_major_formatter(date_format) 19 fig.autofmt_xdate() 20 21 plt.show()
1 import matplotlib.pyplot as plt 2 import numpy as np 3 x = np.arange(1,11,1) 4 plt.plot(x,x) 5 ax = plt.gca() 6 ax.locator_params('y',nbins=20, 7 # 'x',nbins=20, 8 ) 9 plt.show() 
