Dose Course 2018_Flipping book

Treatment execution errors

D(x)

Dose profile ideal step function, blurred due to treatment execution errors:

x

2 2 2

−

= − ∗

2

1 2

− 2

M

r

R

=

1 − erf

s

w

= +

0 0,2 0,4 0,6 0,8 1 1,2

D=0.95

= 95% ⟹ = 1.64

-5

-3

-1

1

3

5

-M

s / s = -1.64