> OK, I see, it is quite easy to implement. Just two more questions: > - should I use the same x_i values when evaluating the smoothed ones (I > guess the answer is yes).
You can use any x value for m(x), including the x_i values and anything in between. In fact there is no need to you splines for interpolation. > - how should I compute a default value for h ((last_x - first_x) / 10 ?) For the "line" case, use (say) 10 * the _step_ you chose between x values. For the "xy" case, use something like 10 * (last_x - first_x) / N. (This way the half life does not change if you add more equidistant data points.) M. _______________________________________________ gnumeric-list mailing list [email protected] http://mail.gnome.org/mailman/listinfo/gnumeric-list
