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Searched refs:Br (Results 1 – 4 of 4) sorted by relevance

/petsc/src/ksp/ksp/impls/cheby/
H A Dcheby.c563 Vec x, b, d, r, Br; in KSPSolve_Chebyshev_FourthKind() local
581 Br = ksp->work[2]; in KSPSolve_Chebyshev_FourthKind()
598 PetscCall(KSP_PCApply(ksp, r, Br)); /* Br = B^{-1}r */ in KSPSolve_Chebyshev_FourthKind()
599 PetscCall(VecNorm(Br, NORM_2, &rnorm)); in KSPSolve_Chebyshev_FourthKind()
620 …if (ksp->normtype != KSP_NORM_PRECONDITIONED) PetscCall(KSP_PCApply(ksp, r, Br)); /* Br = B^{-1}r … in KSPSolve_Chebyshev_FourthKind()
621 …PetscCall(VecAXPBY(d, 4.0 / 3.0 * scale, 0.0, Br)); /* d = 4/3 * sca… in KSPSolve_Chebyshev_FourthKind()
633 PetscCall(KSP_MatMult(ksp, Amat, d, Br)); /* r = r - Ad */ in KSPSolve_Chebyshev_FourthKind()
634 PetscCall(VecAXPBY(r, -1.0, 1.0, Br)); in KSPSolve_Chebyshev_FourthKind()
640 PetscCall(KSP_PCApply(ksp, r, Br)); /* Br = B^{-1}r */ in KSPSolve_Chebyshev_FourthKind()
641 PetscCall(VecNorm(Br, NORM_2, &rnorm)); in KSPSolve_Chebyshev_FourthKind()
[all …]
/petsc/src/ksp/ksp/tutorials/
H A Dex42.c1711 Vec Br, v, w; in KSPMonitorStokesBlocks() local
1718 PetscCall(KSPBuildResidual(ksp, v, w, &Br)); in KSPMonitorStokesBlocks()
1720 PetscCall(VecStrideNorm(Br, 0, NORM_2, &norms[0])); in KSPMonitorStokesBlocks()
1721 PetscCall(VecStrideNorm(Br, 1, NORM_2, &norms[1])); in KSPMonitorStokesBlocks()
1722 PetscCall(VecStrideNorm(Br, 2, NORM_2, &norms[2])); in KSPMonitorStokesBlocks()
1723 PetscCall(VecStrideNorm(Br, 3, NORM_2, &norms[3])); in KSPMonitorStokesBlocks()
/petsc/doc/community/meetings/2023/
H A Dindex.md947 [v_29]: https://youtu.be/Br-9WgvPG7Q
/petsc/doc/
H A Dpetsc.bib25982 author = {H. Br\'{e}zis and P.--L. Lions},
25991 author = {H. Br\'{e}zis},