Changeset 4515

Timestamp:

Jul 7, 2005, 6:00:45 PM (21 years ago)

Author:

Paul Price

Message:

Additional comment.

File:

• trunk/doc/pslib/psLibADD.tex (modified) (2 diffs)

trunk/doc/pslib/psLibADD.tex

@@ -1 @@
-%%% $Id: psLibADD.tex,v 1.79 2005-07-08 03:59:17 price Exp $
+%%% $Id: psLibADD.tex,v 1.80 2005-07-08 04:00:45 price Exp $
 \documentclass[panstarrs]{panstarrs}
 
@@ -1528 +1528 @@
 where $\phi$ is the longitude and $\theta$ is the latitude.  Note that
 in this case, we neglect the scalar component of the quaternion --- it
-should be zero.
+should be zero --- and that we implicitly assume that the quaternion
+is normalised to unity.
 
 \subsubsection{Quaternion for a rotation}