[R] vector to diagonals

Peter Alspach Peter.Alspach at plantandfood.co.nz
Thu Jan 7 23:18:32 CET 2010


Tena koe Mohsen

Try

diag(1:3)

HTH ...

Peter Alspach 

> -----Original Message-----
> From: r-help-bounces at r-project.org 
> [mailto:r-help-bounces at r-project.org] On Behalf Of Mohsen Jafarikia
> Sent: Friday, 8 January 2010 11:11 a.m.
> To: r-help at r-project.org
> Subject: [R] vector to diagonals
> 
> >
> > Hello All:
> >
> > Can somebody tell me how to make a diagonal matrix from a 
> vector please?
> >
> > if X is
> > 1
> > 2
> > 3
> >
> > I need:
> > 1 0 0
> > 0 2 0
> > 0 0 3
> >
> > Thanks alot,
> > Mohsen
> >
> 
> 	[[alternative HTML version deleted]]
> 
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