I've been using your book to learn about unscented Kalman filters for something I'm working on, and I need to take this opportunity to say thank you! It would'v

I've been using your book to learn about unscented Kalman filters for something I'm working on, and I need to take this opportunity to say thank you! It would've taken me much longer to understand it all without your book - you've saved me much time and frustration.