Research Article

Evaluation of Matrix Square Root Operations for UKF within a UAV GPS/INS Sensor Fusion Application

Table 1

Matrix square root algorithm computational requirement summary.

AlgorithmFLOPs

Diagonalization
Schur
Newton’s iteration (per iteration)
Denman-Beavers (DB) iteration (per iteration)
Product DB iteration (per iteration)
Cyclic Reduction (CR) iteration (per iteration)
IN iteration (per iteration)
Cholesky