matrix
A
A
11
0
A
12
0
A
13
0
A
21
0
A
22
0
A
23
0
A
31
0
A
32
0
A
33
0
r
1
scalars
for
vector
a
0
r
2
scalars
for
vector
b
0
r
3
scalars
for
vector
c
0
vector
a
a
1
5
a
2
0
a
3
0
vector
b
b
1
0
b
2
7
b
3
0
vector
c
c
1
0
c
2
0
c
3
11
point
p
p
1
0
p
2
0
p
3
0
predetermined
vector
u
predetermined
vector
v
