engleski

A necessary and sufficient criteria for the existence of the least squares estimate for a 3-parametric exponential function

Given the data (p_i, t_i, y_i), i=1, ..., m, m>=3, we give necessary and sufficient conditions which guarantee the existence of the least squares estimate for a 3-parametric exponential function. To this end, we suggest a choice of the initial approximation and give some numerical examples.

3-parametric exponential function; nonlinear least squares; least squares estimate; existence problem

nije evidentirano