Toward a solution of allocation in life cycle inventories: the use of least-squares techniques |
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| Authors: | Antonino Marvuglia Maurizio Cellura Reinout Heijungs |
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| Institution: | 1.Cork Constraint Computation Centre (4C),University College Cork,Cork,Ireland;2.Dipartimento di Ricerche Energetiche ed Ambientali (DREAM),Università degli Studi di Palermo,Palermo,Italy;3.Institute of Environmental Sciences,Leiden University,Leiden,The Netherlands |
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| Abstract: | Purpose The matrix method for the solution of the so-called inventory problem in LCA generally determines the inventory vector related to a specific system of processes by solving a system of linear equations. The paper proposes a new approach to deal
with systems characterized by a rectangular (and thus non-invertible) coefficients matrix. The approach, based on the application
of regression techniques, allows solving the system without using computational expedients such as the allocation procedure. |
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