“SURFACE FITTING” PROGRAM isprs archives XLII 2 W4 135 2017
{ }
,
1
33 23
13 3
∑ −
+ −
+ −
=
= n
i
i j
i i
j i
i j
i
z z
B y
y B
x x
B Q
,
4 j
x Q
= ,
5 j
y Q
= ,
6 j
z Q
= When all six unknown functions
Δx
j
, Δy
j
, Δz
j
, Δx
c
, Δy
c
, Δz
c
are found we can calculate displacement of each source point due to precise fit using exp 5.