Message-ID: <37072274.50802A41@econ.unito.it>
Date: 1999-04-04T08:27:32Z
From: E. D. Isaia
Subject: Creating Identity Matrices
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
> Boone, NC 28608
> http://www.mathsci.appstate.edu/~arnholt/
> Office phone: (828) 262 - 2863
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