I was reading this paper in which the author is trying to calculate the threat to a VIP based on the distance between VIP and the civilian. I really cant seem to understand that are the equations that are defined in definition 3 and 4 are valid or not. If someone can please explain. Also, if someone can give me an idea of how to make a PDF based on same criteria. Thanks

  • $\begingroup$ What don't you understand about them? What specifically do you need help with? $\endgroup$ – Kodiologist Jun 18 '17 at 0:29
  • $\begingroup$ Their validity. $\endgroup$ – Hassam Ullah Sheikh Jun 18 '17 at 21:40
  • $\begingroup$ I'm afraid you'd need to be more specific. $\endgroup$ – Kodiologist Jun 18 '17 at 21:41
  • $\begingroup$ For a PDF to be valid, it's integral has to be 1. I can not seem to understand how the intergral of this function would be one for a range $\endgroup$ – Hassam Ullah Sheikh Jun 18 '17 at 21:43

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