Second derivative of Transforms.permutation with respect to time.
function der2_permutation extends Modelica.Icons.Function; input Integer s(min = -1, max = 1) "(-1, 0, 1), numbers permutation"; input Real[3] u "vector"; input Real[3] der_u "d/dt u"; input Real[3] der2_u "d2/dt2 u"; output Real[3] der2_v "d2/dt2 permutation"; end der2_permutation;