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comparison python/moving.py @ 89:f88a19695bba

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added inner product
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Thu, 09 Jun 2011 11:18:44 -0400
parents 41da2cdcd91c
children f84293ad4611
comparison
equal deleted inserted replaced
88:626560624d55 89:f88a19695bba
162 return (counter%2 == 1); 162 return (counter%2 == 1);
163 163
164 164
165 @staticmethod 165 @staticmethod
166 def dot(p1, p2): 166 def dot(p1, p2):
167 'Scalar product'
167 return p1.x*p2.x+p1.y*p2.y 168 return p1.x*p2.x+p1.y*p2.y
169
170 @staticmethod
171 def inner(p1, p2):
172 'Inner product'
173 return p1.x*p2.y-p1.y*p2.x
168 174
169 @staticmethod 175 @staticmethod
170 def distanceNorm2(p1, p2): 176 def distanceNorm2(p1, p2):
171 return (p1-p2).norm2() 177 return (p1-p2).norm2()
172 178