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comparison python/moving.py @ 41:eb78c6edc0c8

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added drawing for Point
author Nicolas Saunier <nico@confins.net>
date Fri, 28 May 2010 20:25:45 -0400
parents 9f16aee24b7e
children 6d11d9e7ad4e
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equal deleted inserted replaced
40:9f16aee24b7e 41:eb78c6edc0c8
138 ''' 138 '''
139 >>> Point(3,4)-Point(1,7) 139 >>> Point(3,4)-Point(1,7)
140 (2.000000,-3.000000) 140 (2.000000,-3.000000)
141 ''' 141 '''
142 return Point(self.x-other.x, self.y-other.y) 142 return Point(self.x-other.x, self.y-other.y)
143
144 def draw(self, options = ''):
145 from matplotlib.pylab import plot
146 plot([self.x], [self.y], 'x'+options)
143 147
144 def norm2Squared(self): 148 def norm2Squared(self):
145 '''2-norm distance (Euclidean distance) 149 '''2-norm distance (Euclidean distance)
146 >>> Point(3,2).norm2Squared() 150 >>> Point(3,2).norm2Squared()
147 13 151 13