here we see that well the filter really has no clue when it's just starting out and it's not really close to this state but the smoother is very close because as seen all the future to understand what the state might be now then at the very end we see that they're very close together because that's just the way it is you might say why is it never perfectly on the state why does it not at the end noticed it perfectly maybe you've seen some things where it says a common thought that will converge to the correct state that's only true is no