Searched refs:beta_k (Results 1 – 2 of 2) sorted by relevance
492 PetscReal auk, tauk, gfnorm, gfnorm_k, ycnorm, gTBg, objmin = 0.0, beta_k = 1.0; in SNESSolve_NEWTONTR() local648 objmin = -neP->kmdc * gnorm * PetscMin(gnorm / beta_k, delta); in SNESSolve_NEWTONTR()663 if (emax > 0.0) beta_k = emax + 1; in SNESSolve_NEWTONTR()
2346 u_{k+1} & = & u_{k+\frac{1}{2}} + \beta_k du \\2347 v_{k+1} & = & v_{k+\frac{1}{2}} + \beta_k dv.