Biology Reference
In-Depth Information
126
where
i
,
j
and
k
are unit vectors in the x-, y- and z-directions.
Figure 5-6.
Locations of C
-1
, C, N and N
+l
in the coordinate system where
is at the origin.
Therefore,
so that
Similarly, we can calculate:
and
The unit vectors
U
,
V
and
W
are shown in Fig. 5-7.
