https://github.com/cran/pracma
Tip revision: 12e26b7898f3fb6da81e710947bff1bfaf513f81 authored by Hans W. Borchers on 04 March 2022, 09:40:02 UTC
version 2.3.8
version 2.3.8
Tip revision: 12e26b7
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
}