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Load-Distance Calculations
n
LD =
 ld
i
i
i=1
where,
LD =
load-distance value
li =
load expressed as a weight, number of trips or units
being shipped from proposed site and location i
distance between proposed site and location i
di
=
di
=
(xi - x)2 + (yi - y)2
where,
(x,y) = coordinates of proposed site
(xi , yi) = coordinates of existing facility
Copyright 2014 John Wiley & Sons Canada, Ltd.
Supplement 7-29