[R] matrix exponential: M^0

[Peter Dalgaard]

Martyn Plummer <plummer at iarc.fr> writes:

> Calculating the matrix exponential is harder than it looks (I'm sure
> Peter knows this). In fact there is a classic paper by Moler and Van
> Loan from the 1970s called "Nineteen dubious ways to calculate the
> exponential of a matrix", which they updated last year in SIAM. 

Right (magnificent paper by the way), although I actually hadn't heard
about the update. As I remember it, Octave implements what
Moler+v.Loan ends up suggesting in the 1978 paper.


-- 
   O__  ---- Peter Dalgaard             Blegdamsvej 3  
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