1 #include "leastsquares.hh"
4 Least_squares::OK() const
6 assert (input.size() > 1);
8 for (int i=1; i < input.size(); i++)
9 dx += abs (input[i-1].x() - input[i].x ());
15 Least_squares::minimise (Real &coef, Real &offset)
23 for (int i=0; i < input.size();i++)
26 Real y = input[i].y();
35 coef = (N * sxy - sx*sy)/(N*sqx - sqr (sx));
36 offset = (sy - coef * sx)/N;