WEIGHTED LS AND TLS APPROACHES YIELD ASYMPTOTICALLY EQUIVALENT RESULTS

• The weighted least-squares (LS) and total-least-squares (TLS) solutions to a perturbed system of linear equations are shown to be asymptotically equivalent (as the perturbation level goes to zero). An immediate consequence of this fact is that an optimall

Nyckelord

LINEAR REGRESSION; LEAST SQUARES; TOTAL LEAST SQUARES; SINGULAR-VALUE REGRESSION; PERTURBATION ANALYSIS; FIRST-ORDER ANALYSIS

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