Mercurial > hg > nsaunier > traffic-intelligence

comparison python/traffic_engineering.py @ 789:3666342dabe2 dev

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minor changes
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Wed, 30 Mar 2016 15:39:53 -0400
parents 15e244d2a1b5
children 944949c8ef3e
comparison
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788:5b970a5bc233 789:3666342dabe2
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)