Next: X2L translation formula
Up: M2X, X2X, X2L in
Previous: M2X translation formula
X2X translation formula
Shifting the centre of the exponential expansion from O to
we have the following identity




(J.3) 
where
is the exponential expansion centred at
defined as
The computational cost for X2X translation is obviously
.
Kenichi Yoshida
20010728