)
( )
(
1
0
1
2
0
DD DD
N
F
i
N
i
i
overdose
−
−
=
∑
=
θ
The most Common Physical Cost Function:
One-Sided Quadratic Penalties
ESTRO IMRT course 2016
IMRT optimization: algorithms&cost functions
London April 4th, 2016
-49-
Dose
Regret
The
regret
grows quadratically
with the violation
of the required/
tolerated dose
D
0