Description Usage Arguments Details Value Author(s) See Also
This function computes the ‘Two filter-based’ Smoother
1 | tfSmoother(M, P, Y, A, Q, H, R, useinf)
|
M |
An N x K matrix of K mean estimates from Kalman filter |
P |
An N x N x K matrix of K state covariances from Kalman Filter |
Y |
A D x K matrix of K measurement sequences |
A |
A N x N state transition matrix. |
Q |
A N x N process noise covariance matrix. |
H |
A D x N measurement matrix. |
R |
A D x D measurement noise covariance. |
useinf |
An optional boolean variable indicating if information
filter should be used (with default |
This function implements the two filter linear smoother which calculates a “smoothed” sequence from the given Kalman filter output sequence by conditioning all steps to all measurements.
A list with two elements
the smoothed state mean sequence, and
the smoothes state covariance sequence.
The EKF/UKF Toolbox was written by Simo Särkkä, Jouni Hartikainen, and Arno Solin.
Dirk Eddelbuettel is porting this package to R and C++, and maintaing it.
kfPredict, kfUpdate, and the documentation for the EKF/UKF toolbox at http://becs.aalto.fi/en/research/bayes/ekfukf
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