d
s
i
(
x
)
=
D
s
ij
x
j
j
∑
Dose is calculate for all
different scenarios = e.g. all
possible positions
max
s
f
(
d
s
)
⎡
⎣
⎤
⎦
Function is minimized for
theWORST possible case
The plan that comes out will fit the worst patient
situation, but is probably too strict