How to create a weighted adjacency matrix in Matlab

I have a dataset in the following format:

UID Lat Long LocID

u1 lt1 lg1 l1

u1 lt2 lg2 l2

u1 lt3 lg3 l3

u2 lt2 lg2 l2

u2 lt4 lg4 l4

u3 lt1 lg1 l1

u3 lt4 lg4 l4

From here I need to generate a LocID-LocID un-directed graph. For this I need a weighted matrix in the following format.

    0           d(l1,l2)        0           0
    d(l2,1)          0         d(l2,l3)    d(l2,l4)
      0           d(l3,l2)        0           0
    d(l4,l1)      d(l4,l2)        0           0

here weight of each edge between two LocID is computed from the given Latitude and Longitude information. Like, d(l1,l2) = distance between LocID-1 and LocID-1 = distance between (lt1,lg1) and (lt2,lg2)

I need to perform this task in matlab.