probabilistic random walk mobility modelSee README under upper level for details.We are happy to share our code with you. We only ask that any publishedresearch from using our code include a reference to the appropriatepreceding paper.If you have any questions on the code, send email toTracy Camp <tcamp@mines.edu>.Usage:  probrandwalk <number of nodes>                     <max-x> <max-y> <end time>                     <interval> <'N' or 'G'>                     'N' implies NS2 mobility file                     'G' implies gnuplot path file