Biomedical Engineering Reference
In-Depth Information
Fig. 8.37 Coordinates of the experimental points
Experimental Data
Theoretical Data
Z
6120
6080
6040
6000
5960
Fig. 8.38 Measurement
errors
2560
2600
2640
2680
2720
X
where
k
is the number of experimental points;
X
i
,
Z
i
are coordinates of the experi-
mental points;
r
i
is the distance between point
X
i
,
Z
i
and point
X
0
,
Z
0
; and
r
m
is the
medium distance. Further, it is necessary to calculate the quadratic error:
