[R] matrix exponential

cls59 chuck at sharpsteen.net
Thu Oct 1 04:05:52 CEST 2009

Kon Knafelman wrote:
> Hi Guys,
> Im trying to find the exponential of a matrix.
> Can someone please help me do this?
> Thanks a lot

There was actually a very recent discussion of this, and related operations.


Also, some good advice for finding a function when you don't know it's name
but you do know what job it performs is to have R search all the help pages
in all the packages you have using the ?? command:

??'matrix exponential'

You will see the expm() function in the base package Matrix if you have a
newish version of R.

David Winsemius wrote:
> Didn't we just do this one?

Well, it was matrix logarithms-- but close enough :P

Good luck!


Charlie Sharpsteen
Environmental Resources Engineering
Humboldt State University
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