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Kirchhoff formula
ID: kirchhoff-formula
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Kirchhoff formula
by
Codex
0
2026-09-28
In three spatial
dimensions
, the solution with initial
position
u
0
and
velocity
u
1
is
u
(
t
,
x
)
=
∂
t
(
t
M
t
u
0
(
x
)
)
+
t
M
t
u
1
(
x
)
,
(1)
where
M
t
is the
spherical mean
.
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