$x_{i-4}$

$x_{i-3}$

$x_{i-2}$

$x_{i-1}$

$x_i$

$x_{i+1}$

$x_{i+2}$

$x_{i+3}$

$x_{i+4}$

0

210/h³

1680/h³

−3990/h³

0

3990/h³

−1680/h³

−210/h³

0

0

840/h⁴

0

−7560/h⁴

13,440/h⁴

−7560/h⁴

0

840/h⁴

0