03/10/2011, 10:51 PM

D'oh, I looked at the FAQ and the mean I proposed is covered in detail as a possible basis for the sesqui operation--it is the agm, ArithmeticalGeometricMean in mathematica, also called the Gauss mean. Oh well if I had to invent something that already exists, at least it's something that Lagrange and Gauss also thought of.

Back to lurking. Lloyd.

Back to lurking. Lloyd.