27. A computer readable medium as recited in claim 25 wherein said theoretical line is created from three or more sample points.
27. A computer readable medium as recited in claim 25 wherein said theoretical line is created from three or more sample points. 28. A computer readable medium as recited in claim 27 wherein said theoretical line is created from at least a majority of said sample points by a least-mean-square (LMS) computer readable medium.