https://github.com/cran/pracma
Tip revision: e2512490ec9e26c0bfb230f9fd97bcf07cc8c07b authored by Hans W. Borchers on 10 November 2023, 00:10:02 UTC
version 2.4.4
version 2.4.4
Tip revision: e251249
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
}