add filterpy, which is mentioned here: https://github.com/rlabbe/Kalman-and-Bayesian-Filters-in-Python
add filterpy, which is mentioned here: https://github.com/rlabbe/Kalman-and-Bayesian-Filters-in-Python

tscholl2/smc,DrXyzzy/smc,tscholl2/smc,DrXyzzy/smc,tscholl2/smc,sagemathinc/smc,sagemathinc/smc,tscholl2/smc,tscholl2/smc,DrXyzzy/smc,sagemathinc/smc,DrXyzzy/smc,sagemathinc/smc