Mimosa Zeus
2009-Sep-26 21:06 UTC
[R] implementation of matrix logarithm (inverse of matrix exponential)
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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Gabor Grothendieck
2009-Sep-26 21:33 UTC
[R] implementation of matrix logarithm (inverse of matrix exponential)
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 > > > > ? ? ? ?[[alternative HTML version deleted]] > > > ______________________________________________ > R-help at r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > >