> The function ''det'' works improperly for a singular matrix and returns a
> non-zero value even if ''solve'' reports singularity. The matrix is very
> simple
> as shown below.
>
> A <- diag(rep(c(64,8), c(8,8)))
> A[9:16,1] <- 8
> A[1,9:16] <- 8
>
> det(A)
> #[1] -196608
> solve(A)
> #Error in
Full_Name: Krzysztof Podgorski
Version: R version 2.4.1 (2006-12-18)
OS: Windows XP
Submission from: (NULL) (130.235.3.79)
The function ''det'' works improperly for a singular matrix and returns a
non-zero value even if ''solve'' reports singularity. The matrix is very simple
as shown below.
A <
