The angle-equations are schematically written:
i
The matrix of the normal-equations is:
n
2
12)
It is easy to prove, that the inverse matrix will be
13
1
2
3
4
5
6
7
8
9
10
11
n -10
h-9
n-8.
|n-7
n-6
|n-5
n-4
|n-3
0-2
n-1
n
1
-1
+1
-1
+1
-1
+1
-1
2
-1
+1
-1
♦1
+1
-1
1
-1
1
+1
-1
+1
-1
-1
+1
1
2
1
+i
1
-1
+1
-1
1
-1
1
+1
-1
+1
-1
P
-1
+1
1
-1
+1
-1
-1
+1
1
1
2
3
1
2
3
1
EL
2
3
I
I
1
V-2
2
3
1
V-7
2
3
1
A/
2
3
1
8
-?
-?
I
i
T2
+8
I
i
3
+8
+2
+2
1
-2
+2
+8
-2
-2
n?
+R
3
-2
+2
+8
+2
+2
i
1
-2
+2
+b
-2
-2
2
+8
I
3
-2
+2
+8
+2
+2
I
-2
+2
8
-2
-2
i
8
=t=
-2
+2
+8
+2
+2
1
=f=
i
-2
+2
+8
-2
-2
I
3
-2
+2
+8
+2
-2
+2
+8
V
i
+8
3
-2
+2
+8
I
