https://github.com/cran/ltsa
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Tip revision: 83deceb1d65445b7dcad78a48eaab0b732534fc5 authored by A.I. McLeod on 22 August 2015, 23:49:55 UTC
version 1.4.5
Tip revision: 83deceb
is.toeplitz.R
`is.toeplitz` <-
function(x){
is.matrix(x)&&(nrow(x)==ncol(x))&&(max(abs(x-toeplitz(x[1,])))<.Machine$double.eps)
}

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