TABLE I.

Coefficients of the potential defined by (3).

i	A i	a i	b i	c i	$x_{0i}^1$	$x_{0i}^2$
1	10	${\displaystyle \frac{-1}{3000}}$	${\displaystyle \frac{-1}{1000}}$	0	0	0
2	−0.4	${\displaystyle \frac{-1}{300}}$	${\displaystyle \frac{-1}{30}}$	${\displaystyle \frac{1}{200}}$	15	10
3	0.8	${\displaystyle \frac{-1}{1500}}$	${\displaystyle \frac{-1}{1500}}$	${\displaystyle \frac{1}{2000}}$	25	100
4	6	${\displaystyle \frac{-1}{3000}}$	${\displaystyle \frac{-1}{3000}}$	${\displaystyle \frac{3}{20000}}$	40	30