Software: executables & source
with even more screenshots Newer versions with microscopic view
on central blob (former) and display of spread to sampling ratio (latter)
Also a numerical result
for the continuous geometric mean of a circle
The application, executables & source Threads called 'Least Squares Best Double Fit' (: typo corrected here)
in sci.math - text - and in
sci.math.num-analysis'
MinMax Technology is employed "for the first half" with common Least Squares
minimization methods: they minimize an arithmetic mean of minimal values instead of the maximum of them.