jsk_pcl_ros: plot_gaussian.py Source File

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00001 #!/usr/bin/env python
00002 
00003 import matplotlib.pyplot as plt
00004 import numpy as np
00005 import matplotlib.mlab as mlab
00006 import math
00007 import sys
00008 
00009 if len(sys.argv) != 3:
00010     print "plot_gaussian.py mean variance"
00011     sys.exit(1)
00012 mean = float(sys.argv[1])
00013 variance = float(sys.argv[2])
00014 sigma = math.sqrt(variance)
00015 x = np.linspace(-3*sigma+mean,3*sigma+mean,100)
00016 plt.plot(x,mlab.normpdf(x,mean,sigma))
00017 
00018 plt.show()