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comparison python/moving.py @ 114:680d4c82886d

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minor change to the point marker
author Nicolas Saunier <nico@confins.net>
date Mon, 18 Jul 2011 19:24:06 -0400
parents 606010d1d9a4
children 550556378466
comparison
equal deleted inserted replaced
113:606010d1d9a4 114:680d4c82886d
133 return Point(self.x-other.x, self.y-other.y) 133 return Point(self.x-other.x, self.y-other.y)
134 134
135 def multiply(self, alpha): 135 def multiply(self, alpha):
136 return Point(self.x*alpha, self.y*alpha) 136 return Point(self.x*alpha, self.y*alpha)
137 137
138 def draw(self, options = ''): 138 def draw(self, options = 'o'):
139 from matplotlib.pylab import plot 139 from matplotlib.pylab import plot
140 plot([self.x], [self.y], 'x'+options) 140 plot([self.x], [self.y], options)
141 141
142 def norm2Squared(self): 142 def norm2Squared(self):
143 '''2-norm distance (Euclidean distance)''' 143 '''2-norm distance (Euclidean distance)'''
144 return self.x*self.x+self.y*self.y 144 return self.x*self.x+self.y*self.y
145 145