Baykal, Ahmet2019-08-012019-08-0120132190-5444https://dx.doi.org/10.1140/epjp/i2013-13125-xhttps://hdl.handle.net/11480/4339A method of calculation for the constrained variational derivatives for gravitational actions in the pseudo-Riemannian case is proposed as a practical variant of the first-order formalism with constraints. The proposed method calculation is then used to derive the metric field equations for a generic f (R) model.eninfo:eu-repo/semantics/closedAccessArticle1281010.1140/epjp/i2013-13125-x2-s2.0-84898759645Q2WOS:000326051200002Q2