T_inv = Quaternions.to_T_inv(Q);
This function returns a real matrix T_inv computed from a quaternions orientation Q. The matrix T is considered to be an inverse transformation matrix.
to_T, from_T_inv, Frames.to_T_inv, TransformationMatrices.to_T_inv.
function to_T_inv extends Modelica.Icons.Function; input Quaternions.Orientation Q "Quaternions orientation object to rotate frame 1 into frame 2"; output Real T_inv[3, 3] "Transformation matrix to transform vector from frame 2 to frame 1 (v1=T*v2)"; end to_T_inv;