swh:1:snp:81eadaa089e8253d8469bcef66aa332632c6c669
Tip revision: 63f12837f2d7d6d30cdc2b2df60efdef228d8d0f authored by HwB on 10 May 2011, 00:00:00 UTC
version 0.4-0
version 0.4-0
Tip revision: 63f1283
eig.R
###
### EIG.R Eigenvalues
###
eig <- function(a) {
if (length(a) == 0) return(matrix(0, nrow=0, ncol=0))
if (length(a) == 1) return(a)
if ((!is.numeric(a) && !is.complex(a)) || !is.matrix(a))
stop("Argument 'a' must be a numeric or complex matrix.")
if (nrow(a) != ncol(a))
stop("Matrix 'a' must be square matrix.")
eigen(a, only.values=TRUE)$values
}