From sfalcon at fhcrc.org  Tue Apr 10 19:45:48 2007
From: sfalcon at fhcrc.org (Seth Falcon)
Date: Tue, 10 Apr 2007 10:45:48 -0700
Subject: [Rd] list/matrix chimera
In-Reply-To: <f8e6ff050704101033v51a7b3d7w755babb636293024@mail.gmail.com>
	(hadley wickham's message of "Tue, 10 Apr 2007 12:33:34 -0500")
References: <m2lkh0xp4i.fsf@fhcrc.org> <461BA714.5040009@blackmesacapital.com>
	<f8e6ff050704100930p444beafwe2b6ed1caf229927@mail.gmail.com>
	<m28xd0xiei.fsf@fhcrc.org>
	<f8e6ff050704101033v51a7b3d7w755babb636293024@mail.gmail.com>
Message-ID: <m2zm5gw2b7.fsf@fhcrc.org>

"hadley wickham" <h.wickham at gmail.com> writes:
> That's rather a contrived example.  In practice, you would create a
> list containing the same type of objects.  eg:

Yes, great.  But when you have code that is expecting a matrix
argument, you can't know what you are going to get.  I suspect there
is a fair amount of matrix manipulating code that breaks when given
list-based matrices.



[Rd] list/matrix chimera
Seth Falcon