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

/petsc/src/dm/impls/moab/
H A Ddmmbfem.cxx296 const PetscReal Dx[3] = {ijacobian[0], ijacobian[2], -ijacobian[0] - ijacobian[2]}; in Compute_Lagrange_Basis_2D_Internal() local
321 dphidx[0 + offset] = Dx[0]; in Compute_Lagrange_Basis_2D_Internal()
322 dphidx[1 + offset] = Dx[1]; in Compute_Lagrange_Basis_2D_Internal()
323 dphidx[2 + offset] = Dx[2]; in Compute_Lagrange_Basis_2D_Internal()
452 PetscReal Dx[4] = {0, 0, 0, 0}, Dy[4] = {0, 0, 0, 0}, Dz[4] = {0, 0, 0, 0}; in Compute_Lagrange_Basis_3D_Internal() local
474 …Dx[0] = (coords[1 + 2 * 3] * (coords[2 + 1 * 3] - coords[2 + 3 * 3]) - coords[1 + 1 * 3] * (coords… in Compute_Lagrange_Basis_3D_Internal()
475 …Dx[1] = -(coords[1 + 2 * 3] * (coords[2 + 0 * 3] - coords[2 + 3 * 3]) - coords[1 + 0 * 3] * (coord… in Compute_Lagrange_Basis_3D_Internal()
476 …Dx[2] = (coords[1 + 1 * 3] * (coords[2 + 0 * 3] - coords[2 + 3 * 3]) - coords[1 + 0 * 3] * (coords… in Compute_Lagrange_Basis_3D_Internal()
477 Dx[3] = -(Dx[0] + Dx[1] + Dx[2]); in Compute_Lagrange_Basis_3D_Internal()
512 dphidx[0 + offset] = Dx[0]; in Compute_Lagrange_Basis_3D_Internal()
[all …]
/petsc/src/tao/pde_constrained/tutorials/
H A Delliptic.c551 PetscReal xri, yri, zri, xim, yim, zim, dx1, dx2, dy1, dy2, dz1, dz2, Dx, Dy, Dz; in EllipticInitialize() local
1108 Dx = x[indx2] - x[indx1]; in EllipticInitialize()
1113 v = (1 - dx1 / Dx) * (1 - dy1 / Dy) * (1 - dz1 / Dz); in EllipticInitialize()
1117 v = (1 - dx1 / Dx) * (1 - dy1 / Dy) * (1 - dz2 / Dz); in EllipticInitialize()
1121 v = (1 - dx1 / Dx) * (1 - dy2 / Dy) * (1 - dz1 / Dz); in EllipticInitialize()
1125 v = (1 - dx1 / Dx) * (1 - dy2 / Dy) * (1 - dz2 / Dz); in EllipticInitialize()
1129 v = (1 - dx2 / Dx) * (1 - dy1 / Dy) * (1 - dz1 / Dz); in EllipticInitialize()
1133 v = (1 - dx2 / Dx) * (1 - dy1 / Dy) * (1 - dz2 / Dz); in EllipticInitialize()
1137 v = (1 - dx2 / Dx) * (1 - dy2 / Dy) * (1 - dz1 / Dz); in EllipticInitialize()
1141 v = (1 - dx2 / Dx) * (1 - dy2 / Dy) * (1 - dz2 / Dz); in EllipticInitialize()
H A Dparabolic.c664 PetscReal xri, yri, zri, xim, yim, zim, dx1, dx2, dy1, dy2, dz1, dz2, Dx, Dy, Dz; in ParabolicInitialize() local
1126 Dx = x[indx2] - x[indx1]; in ParabolicInitialize()
1131 v = (1 - dx1 / Dx) * (1 - dy1 / Dy) * (1 - dz1 / Dz); in ParabolicInitialize()
1135 v = (1 - dx1 / Dx) * (1 - dy1 / Dy) * (1 - dz2 / Dz); in ParabolicInitialize()
1139 v = (1 - dx1 / Dx) * (1 - dy2 / Dy) * (1 - dz1 / Dz); in ParabolicInitialize()
1143 v = (1 - dx1 / Dx) * (1 - dy2 / Dy) * (1 - dz2 / Dz); in ParabolicInitialize()
1147 v = (1 - dx2 / Dx) * (1 - dy1 / Dy) * (1 - dz1 / Dz); in ParabolicInitialize()
1151 v = (1 - dx2 / Dx) * (1 - dy1 / Dy) * (1 - dz2 / Dz); in ParabolicInitialize()
1155 v = (1 - dx2 / Dx) * (1 - dy2 / Dy) * (1 - dz1 / Dz); in ParabolicInitialize()
1159 v = (1 - dx2 / Dx) * (1 - dy2 / Dy) * (1 - dz2 / Dz); in ParabolicInitialize()
/petsc/doc/manual/
H A Dtao.md2417 $\beta(x) = ||Dx||_1 \approx \sum_{i} \sqrt{y_i^2 + \epsilon^2}-\epsilon$
2418 where $y = Dx$ and $\epsilon$ is the smooth approximation