https://github.com/cran/pracma
Tip revision: 7f8c12bb73c64627d031ab960efe5639f33d0069 authored by Hans W. Borchers on 11 July 2015, 00:00:00 UTC
version 1.8.6
version 1.8.6
Tip revision: 7f8c12b
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
}