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From: Jon on 11 Jun 2010 19:57
If you have Excel, here is the solution to a problem involving vectors:

http://mypeoplepc.com/members/jon8338/sitebuildercontent/sitebuilderfiles/triangulation00.xls

You input the lengths of three lines and their starting coordinates, and the
engine calculates where they intersect ( in three dimensions).

I solved the problem when I was in the mental hospital in 1988. It was all
I could do to keep my sanity. This is ~some~ of the math used to determine
GPS coordinates. It also calculates the two points as the result of the
intersection of three spheres.

Jon Giffen
intrepid(a)bellaire.tv

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