Szukana fraza: [Abstract = "Estimation of a parametric, discrete\-time model for a SISO dynamic plant, derived for minimisation of a performance index determined as a sum of squared prediction errors within some time horizon is considered. A formula for a Long\-Horizon Least\-Squares \(LHLS\) off\-line solution as well as a theorem for an LHLS recursive on\-line scheme are derived."]