These are my notes of the course Recursive Estimation (151-0566-00L, spring semester 2023) by Dr. D'Andrea at ETH Zürich. The file can be made into 2 dense pages by changing the line at the beginning of the document to
\setboolean{examprint}{true}and then running
$ pdfjam RecursiveEstimation.pdf --nup 2x2 --outfile RecursiveEstimation2P.pdf
See LICENSE file