TrSigB {BayesfMRI} | R Documentation |
Hutchinson estimator of the trace
Description
Hutchinson estimator of the trace
Usage
TrSigB(P, B, vh)
Arguments
P |
Matrix of dimension nk by N_s found by |
B |
Matrix of dimension nk by nk inside the desired trace product |
vh |
Matrix of dimension nk by N_s in which elements are -1 or 1 with equal probability. |
Value
a scalar estimate of the trace of Sigma %*% B
[Package BayesfMRI version 0.10.1 Index]