Geoscience Reference
In-Depth Information
Fig. 14.5
Situation 2
A, .50
D
B, .25
C, .75
Fig. 14.6
Situation 3
A, .25
D, .50
B, .25
C, .25
Table 14.3
Computational results
Sit./Par.
a
b
c
1
1
1
0
2
1.6498
2.3324
1.9342
3
5.2245
15.6735
0
From the centre of gravity (coordinates x*, y*) one computes for each dimension
k
:u
k
¼
x*)
2
,v
k
¼
y*)
2
,z
k
¼
(x
k
(y
k
(x
k
x*) (y
k
y *); let
u, v, z,
be the
column vectors of those magnitudes, and
X
¼
[u, v, z]
the resulting matrix. One
then constructs
X'X
,a3
3 matrix, and defines a column vector
e
of three
coefficients
a, b, c
, from which the following program is derived:
