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Series expansion of |x-y|
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M2M, M2L, L2L in
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M2L translation formula
L2L translation formula
From (
B.11
) we obtain
(E.4)
Substituting (
E.4
) into the right-hand side of (
3.26
) we have
=
=
(E.5)
Exchanging an order of summation in (
E.5
) (
, See Fig.
B
) we obtain
where
is the coefficient of the local expansion centred at
defined as
Ken-ichi Yoshida
2001-07-28