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Searched refs:alpha4 (Results 1 – 10 of 10) sorted by relevance

/petsc/src/tao/unconstrained/impls/ntr/
H A Dntrimpl.h41 PetscReal alpha4; /* factor used for trust-region update */ member
H A Dntr.c327 tao->trust = PetscMax(tr->alpha4 * norm_d, tao->trust); in TaoSolve_NTR()
473 PetscCall(PetscOptionsReal("-tao_ntr_alpha4", "", "", tr->alpha4, &tr->alpha4, NULL)); in TaoSetFromOptions_NTR()
563 tr->alpha4 = 2.00; in TaoCreate_NTR()
/petsc/src/tao/unconstrained/impls/ntl/
H A Dntlimpl.h67 PetscReal alpha4; /* factor used for trust-region update */ member
H A Dntl.c333 tao->trust = PetscMax(tl->alpha4 * norm_d, tao->trust); in TaoSolve_NTL()
649 PetscCall(PetscOptionsReal("-tao_ntl_alpha4", "", "", tl->alpha4, &tl->alpha4, NULL)); in TaoSetFromOptions_NTL()
781 tl->alpha4 = 2.00; in TaoCreate_NTL()
/petsc/src/tao/unconstrained/impls/nls/
H A Dnlsimpl.h111 PetscReal alpha4; /* factor used for trust-region update */ member
H A Dnls.c598 tao->trust = PetscMax(nlsP->alpha4 * norm_d, tao->trust); in TaoSolve_NLS()
754 PetscCall(PetscOptionsReal("-tao_nls_alpha4", "", "", nlsP->alpha4, &nlsP->alpha4, NULL)); in TaoSetFromOptions_NLS()
921 nlsP->alpha4 = 2.00; in TaoCreate_NLS()
/petsc/src/tao/bound/impls/bnk/
H A Dbnk.h138 PetscReal alpha4; /* factor used for trust-region update */ member
H A Dbnk.c866 tao->trust = bnk->alpha4 * tao->trust; in TaoBNKUpdateTrustRadius()
1093 …or for good accepted step (-tao_bnk_update_type reduction)", "", bnk->alpha4, &bnk->alpha4, NULL)); in TaoSetFromOptions_BNK()
1288 bnk->alpha4 = 2.00; in TaoCreate_BNK()
/petsc/doc/manual/
H A Dtao.md1055 > | ``alpha4`` | real | 2.00 | :math:`\alpha_4` |
1402 > | ``alpha4`` | real | 2.00 | :math:`\alpha_4` |
/petsc/share/petsc/datafiles/meshes/
H A Dtestcase3D.cas418 (ecfm-sigma/std3/alpha4 1.)