From: Spencer Graves <spencer.graves_at_pdf.com>

Date: Thu 18 Aug 2005 - 13:47:03 EST

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*> ....
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> Also, there is mexp() in the Matrix package. I'm not sure about the

*> relative merits. mexp() is one of the less dubious implementations of
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*> matrix exponentials, but it does require to and from class "Matrix".
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*> mtx.exp is a bit unfortunately named as it appears to calculate matrix
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*> *powers* (which in this case is what you need).
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Date: Thu 18 Aug 2005 - 13:47:03 EST

Moler C., van Loan C., (2003); _Nineteen dubious ways to compute

the exponential of a matrix, twenty-five years later_, SIAM Review 45, 3-49. This paper was cited in the help page for mexp in fMultivar but notin rmutil.

spencer graves

Peter Dalgaard wrote:

> "Rau, Roland" <Rau@demogr.mpg.de> writes:

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>>Thank you very much! Thanks also to the authors of this function, >>Vincente Canto Cassola and Martin Maechler! >> >>This is exactly what I hoped for.

>>>look at function ?mtx.exp() in the Malmig package, e.g.,

> Also, there is mexp() in the Matrix package. I'm not sure about the

-- Spencer Graves, PhD Senior Development Engineer PDF Solutions, Inc. 333 West San Carlos Street Suite 700 San Jose, CA 95110, USA spencer.graves@pdf.com www.pdf.com <http://www.pdf.com> Tel: 408-938-4420 Fax: 408-280-7915 ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.htmlReceived on Thu Aug 18 13:51:10 2005

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