cmd: Correlation matrix distance

Description Usage Arguments Value Author(s) References Examples

Description

Computes the correlation matrix distance between two correlation matrices

Usage

1
cmd(x, y)

Arguments

x

First correlation matrix

y

Second correlation matrix

Value

Returns the correlation matrix distance, which is a value between 0 and 1. The correlation matrix distance becomes zero for equal correlation matrices and unity if they differ to a maximum extent.

Author(s)

Claus Ekstrom claus@rprimer.dk

References

Herdin, M., and Czink, N., and Ozcelik, H., and Bonek, E. (2005). Correlation matrix distance, a meaningful measure for evaluation of non-stationary mimo channels. IEEE VTC.

Examples

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m1 <- matrix(rep(1, 16), 4)
m2 <- matrix(c(1, 0, .5, .5, 0, 1, .5, .5, .5, .5, 1, .5, .5, .5, .5, 1), 4)
m3 <- matrix(c(1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1), 4)
cmd(m1, m1)
cmd(m1, m2)
cmd(m2, m3)


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