[R] implementation of matrix logarithm (inverse of matrix exponential)

[Gabor Grothendieck]

Try:

expm( - M)

On Sat, Sep 26, 2009 at 5:06 PM, Mimosa Zeus <mimosa1879 at yahoo.fr> wrote:
> Dear R users,
>
> Does anyone has implemented the inverse of the matrix exponential (expm in the package Matrix)?
>
> In Matlab, there're logm and expm, there's only expm in R.
> Cheers
> Mimosa
>
>
>
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