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Additive decomposition of an asymmetric, square proximity matrix into a symmetric matrix and an skew-symmetric matrix
symdecomp(P)
Returns the following matrices:
symmetric component
skew-symmetric component
Square proximity matrix
Performs the decompositon \(P = M + N\) (M and N are orthogonal).
Borg, I., & Groenen, P. J. F. (2005). Modern Multidimensional Scaling (2nd ed.). Springer.
P <- matrix(c(92,5,4,8,4,84,38,62,6,37,87,17,13,31,17,88), ncol = 4) symdecomp(P)
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