What part of
i
ℏ
∂
∂
t
Ψ
(
r
→
,
t
)
=
(
−
h
2
2
m
∇
2
+
V
(
r
→
,
t
)
)
Ψ
(
r
→
,
t
)
i\hbar\frac{\partial}{\partial t} \Psi (\overset{\rightarrow}{r}, t) = (-\frac{h^2}{2m} \nabla^2 + V(\overset{\rightarrow}{r}, t)) \Psi (\overset{\rightarrow}{r}, t)
don't you understand?