Diff 0

Diff 1

Diff 2

$\cdots$

0^th Row

$z_0$

1^st Row

$z_1$

$z_1-z_0$

2^nd Row

$z_2$

$z_2-z_1$

$z_2-2z_1+z_0$

$\cdots$

$\cdots$

$\cdots$

$\cdots$

(n − 1)^th Row

$z_{n-1}$

$z_{n-1}-z_{n-2}$

$z_{n-1}-2z_{n-2}+z_{n-3}$