def paramSearch(d,nSensor,nAnchor,radiorange,iteN):
sumLocSensor = 0
minNLocSensor = sys.maxint
maxNLocSensor = 0
for i in range(iteN):
[posX,locX,disX,conX,noisyDisX,trueDisX,estPosX,cLevel] = problems.createProblem_random(d,nSensor,nAnchor,sigma,radiorange,i)
tri.checkLocalizability(nSensor,locX,conX)
[nLocSensor,preLocSensor] = helper.analyseLocalizability(nSensor,nAnchor,locX)
sumLocSensor += nLocSensor
minNLocSensor = min(minNLocSensor,nLocSensor)
maxNLocSensor = max(maxNLocSensor,nLocSensor)
print nLocSensor
aveNLocSensor = sumLocSensor / iteN
perLocSensor = aveNLocSensor/nSensor
perMinLocSensor = minNLocSensor / nSensor
perMaxLocSensor = maxNLocSensor / nSensor
return [perLocSensor,perMinLocSensor,perMaxLocSensor]
