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Calculate Karcher Covariance of a set of curves
curve_karcher_cov(v, len = NA)
K covariance matrix
array (n,T,N) for N number of shooting vectors
lengths of curves (default=NA)
Srivastava, A., Klassen, E., Joshi, S., Jermyn, I., (2011). Shape analysis of elastic curves in euclidean spaces. Pattern Analysis and Machine Intelligence, IEEE Transactions on 33 (7), 1415-1428.
out <- curve_karcher_mean(beta[, , 1, 1:2], maxit = 2) # note: use more shapes, small for speed K <- curve_karcher_cov(out$v)
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