I see.
Because you 're averaging the stationary and the non - stationary , and finally you end up getting something which is not really the s because , you  anyway , you can't remove the stationary part fr I mean , non - stationary part from  the signal.
Not using these methods anyway. Yeah.
So  Yeah. So you just  update only doing  or update only the stationary components. Yeah. So , that 's  so that 's still a slight difference from what Guenter is trying