The comment mentions the parameter yaw. The function does not have this parameter.
function Ct = CalcCt(a,~)
%CALCCT Calculates Ct based on the axial induction factor and yaw angle
% INPUT
% a : Axial indcution factor
% yaw : Yaw angle (deg, counter clockwise)
Ct = 4 * a .* (1 - a);
end
The comment mentions the parameter yaw. The function does not have this parameter.