Math wizardry

Jim Hurley jhurley at
Tue Mar 29 13:21:07 EST 2005

>Message: 17
>Date: Tue, 29 Mar 2005 07:35:46 -0800
>From: Jim MacConnell <jmac at>
>Subject: Re: Math wizardry
>To: RevList <use-revolution at>
>Message-ID: <BE6EB5D2.C29B%jmac at>
>Content-Type: text/plain;	charset="US-ASCII"
>  > Perhaps even easier would be to define a function which determines
>>  the *geometrical* angle associated with a line in Run Rev.
>I like this solution to Richard's problem and it is probably a little
>faster, particularly if the angle between the lines is all we're after. If
>we want magnitude, etc. the LOC gives you all of that. Simply a case of more
>effort to get more info?  Which is a waste if you don't really need the
>info... Also I just have a thing for the Law of Cosines....


I confess to a partiality for the law of sines.

In either event I think we can agree that Jim is right.


P.S. Seems that every Tom, Dick and Harry is named Jim these days.

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