Mercurial Hosting > traffic-intelligence
comparison python/moving.py @ 90:f84293ad4611
renamed inner to cross product
author | Nicolas Saunier <nicolas.saunier@polymtl.ca> |
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date | Thu, 09 Jun 2011 11:27:31 -0400 |
parents | f88a19695bba |
children | daa05fae1a70 |
comparison
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89:f88a19695bba | 90:f84293ad4611 |
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166 def dot(p1, p2): | 166 def dot(p1, p2): |
167 'Scalar product' | 167 'Scalar product' |
168 return p1.x*p2.x+p1.y*p2.y | 168 return p1.x*p2.x+p1.y*p2.y |
169 | 169 |
170 @staticmethod | 170 @staticmethod |
171 def inner(p1, p2): | 171 def cross(p1, p2): |
172 'Inner product' | 172 'Cross product' |
173 return p1.x*p2.y-p1.y*p2.x | 173 return p1.x*p2.y-p1.y*p2.x |
174 | 174 |
175 @staticmethod | 175 @staticmethod |
176 def distanceNorm2(p1, p2): | 176 def distanceNorm2(p1, p2): |
177 return (p1-p2).norm2() | 177 return (p1-p2).norm2() |