Table 1 Variables involved in the determining equations for the respective number of interval halvings

0

ξ

1

${\xi }_{-1}$, ${\xi }_1$

2

${\xi }_{-1,-1}$, ${\xi }_{-1,1}$, ${\xi }_{1,-1}$, ${\xi }_{1,1}$

3

${\xi }_{-1,-1,-1}$, ${\xi }_{-1,-1,1}$, ${\xi }_{-1,1,-1}$, ${\xi }_{-1,1,1}$, ${\xi }_{1,-1,-1}$, ${\xi }_{1,-1,1}$, ${\xi }_{1,1,-1}$, ${\xi }_{1,1,1}$

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