Re: No Invert Functions?

Nicolas Neuss <[email protected]>
Newsgroups gmane.lisp.matlisp.user
Message-ID <[email protected]> 
Nicolas Neuss <[email protected]> writes:

> The problem with using only GESV and M/ is that it computes an LU
> decomposition (which is the major O(N^3) part of the work).

This is written badly.  The problem is that this decomposition cannot
be used again without GETRS.

>  To use it again (e.g. in a time-stepping scheme) you need GETRS.
> 
> Nicolas.
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