The first derivative of the function atan3b.
function atan3b_der extends Modelica.Icons.Function; extends Modelica.Icons.ObsoleteModel; import Modelica.Math; input Real u1; input Real u2; input SI.Angle y0 = 0 "y shall be in the range: -pi < y-y0 < pi"; input Real u1_der; input Real u2_der; output SI.AngularVelocity y_der; end atan3b_der;
Developed 2010 at the DLR Institute of System Dynamics and Control