Re: non-rectangular div/grad/curl (was: another math question)

["Michael N. Monce" <mnmon@CONNCOLL.EDU>]

On Wed, 12 Jun 2002, Gary Karshner wrote:

> Mike,
>          As an astronomy student I remember getting confused because
> astronomer use the math. way and measure the angle not from the z axis but
> the xy plane. The reason is that is the way latitude or declination is
> defined. As a student I neatly compartmentalized the equations in question
> when I was in class, but when I had to reconstruct them later. I got very
> confused until I realized what was going on.
>
> Gary
        Of course any group can define the angles according to the
symbology they prefer. In 20 years of teaching E&M this was the first case
I came across of student confusion in this.  I guess I've been lucky.

                        Mike Monce