translate English to French: VtLasp = sum(Ct (Pt-1 / Pt)) / sum(Ct-1 ) VtPaas = sum(Ct) / sum(Ct-1 (Pt / Pt-1)) These are the formulas that are used in practice.
VtLasp = somme(Ct (Pt-1 / Pt)) / somme(Ct-1 ) VtPaas = somme(Ct) / somme(Ct-1 (Pt / Pt-1)) Voilà les formules qu'on utilise dans la pratique.