The reason why distance measurement using GPS can not escape error is proved by mathematical formula
A satellite positioning system that receives a radio wave from an artificial satellite and specifies a position on the ground,GPSIf you are using it, you may find that sometimes errors occur. Also, ...
In a recent paper published in this Journal, Lovell and Rouse (LR) proposed a modification of the standard data envelopment analysis (DEA) model that overcomes the infeasibility problem often ...
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