.         ...    ||  ...   |=|                       ...                       |
 |  0        0         0  ... h(n-2) 2[h(n-2)+h(n-1)] h(n-1) || c(n-1) | | 3/h(n-1)*[a(n)-a(n-1)]-3/h(n-2)*[a(n-1)-a(n-2)] |
 |  0        0         0  ...    0         0           1     ||  c(n)  | |                        0                        |
 </pre><ul>
<li>Parabolic runout spline: S1''(x1)=2*c(1)=S2''(x2)=2*c(2) ; Sn-1''(xn-1)=2*c(n-1)=Sn''(xn)=2*c(n) In matrix form:</li>
</ul>
<pre>
 |  1       -1         0  ...    0 