Mercurial Hosting > traffic-intelligence
comparison python/traffic_engineering.py @ 789:3666342dabe2 dev
minor changes
author | Nicolas Saunier <nicolas.saunier@polymtl.ca> |
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date | Wed, 30 Mar 2016 15:39:53 -0400 |
parents | 15e244d2a1b5 |
children | 944949c8ef3e |
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788:5b970a5bc233 | 789:3666342dabe2 |
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258 ######################### | 258 ######################### |
259 # misc | 259 # misc |
260 ######################### | 260 ######################### |
261 | 261 |
262 def timeChangingSpeed(v0, vf, a, TPR): | 262 def timeChangingSpeed(v0, vf, a, TPR): |
263 return TPR+(vf-v0)/a | 263 'for decelerations, a < 0' |
264 return TPR-(vf-v0)/a | |
264 | 265 |
265 def distanceChangingSpeed(v0, vf, a, TPR): | 266 def distanceChangingSpeed(v0, vf, a, TPR): |
266 return TPR*v0+(vf*vf-v0*v0)/(2*a) | 267 'for decelerations, a < 0' |
268 return TPR*v0-(vf**2-v0**2)/(2*a) |