[R] Creating Identity Matrices

[E. D. Isaia]

Dear Alan, here's how to define a simple nxn Identity matrix:

n<-c(5)
 I <- matrix(0,nrow=n,ncol=n)
I[row(I)==col(I)] <- 1

E.D.Isaia

"Alan T. Arnholt" wrote:

> Dear R users,
>
> What is the easiest way to construct an identity matrix?
> Thanks.
>
> Alan
> ___________________________________
> Alan T. Arnholt
> Associate Professor
> Dept. of Mathematical Sciences
> Appalachian State University
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