Keyword : Root

A02AAF	Square root of complex number
F06BNF	Compute square root of $(a^{2} + b^{2})$ , real $a$ and $b$
G13EAF	Combined measurement and time update, one iteration of Kalman filter, time-varying, square root covariance filter
G13EBF	Combined measurement and time update, one iteration of Kalman filter, time-invariant, square root covariance filter