Message-ID: <4EB31B7A.9020706@xtra.co.nz>
Date: 2011-11-03T22:53:46Z
From: Rolf Turner
Subject: Question about Calculation of Cross Product
In-Reply-To: <7f48a0f8-64f6-4021-90f1-b3447c6780fe@email.android.com>
On 04/11/11 11:30, Jeff Newmiller wrote:
> The crossprod function in base R implements the MATRIX cross product, more familiarly known as "matrix multiplication".
The term "crossprod" is thereby rather misleading, nicht wahr?
Wouldn't it be *nice* to put into the help file a wee warning telling
the young naive user (explicitly) that this is *not* the "usual" 3-D
vector cross product? :-)
cheers,
Rolf Turner