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Ublas :

From: Georg Baum (Georg.Baum_at_[hidden])
Date: 2007-09-10 10:27:52

Am Montag 10 September 2007 16:21 schrieb Paul C. Leopardi:

> The second is a matrix square root, ie. M1 == sqrt(M2) <=> M1 * M1 == M2.
> This corresponds to the Matlab sqrtm function.
> See

This is actually the more interesting one :-) If you need to implement this,
have a look at Nick Higham's papers on matrix funtions:

The matlab sqrtm is (or was, I don't know about recent versions) based on
his code.