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Treatment preparation errors
x
y
z
< = න
0
−
2
2Σ
2
2 Σ
⋅
−
2
2Σ
2
2 Σ
⋅
−
2
2Σ
2
2 Σ
4
2
< =
2Σ
−
−
2
2Σ
2
2
= 0.9 ⇒ < = 2.5Σ
⟺ + < + 2.5Σ ⟹
Σ
= 2.5Σ
w
Probability that target position r
(r
2
=x
2
+y
2
+z
2
) is within radius w:
0
0,2
0,4
0,6
0,8
1
1,2
0
1
2
3
4
5
w/
S
=2.5
P=0.9