Re: visualizing fields near charged objects

[John Mallinckrodt <ajmallinckro@CSUPOMONA.EDU>]

On Fri, 9 Feb 2001, John Mallinckrodt wrote:

> where r_a is the radial index for cell a.  Setting the Laplacian =
> 0 and solving for a we get
>
>   a = (b+c+d+e)/4 + (c-e)/(2*r_a)

Oops!  I should have said:

   a = [ (b+c+d+e) + (c-e)/(2*r_a) ]/4

John Mallinckrodt      mailto:ajm@csupomona.edu
Cal Poly Pomona          http://www.csupomona.edu/~ajm