NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Harri Ojanen
Date: 2011 Mar 4, 01:23 -0800
Hello Andres,
Here's my pdf of the solution. I added an explanation of how to compute the circles. The method works nicely in these problems from Antoine, since he intentionally doesn't tell us a good estimated position to start with - the circle method needs no AP at all. The circles reduce the number of iterations needed - but of course the computer has to do quite many iterations in finding a fix with the circles (I'm using non-linear least squares estimation from the "Scipy" library).
Your cover is wonderful!
Best,
Harri
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