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Searched refs:dx2 (Results 1 – 4 of 4) sorted by relevance

/petsc/src/ts/tutorials/
H A Dex74.c148 PetscReal dx, dx2; in RHSJacobian() local
152 dx2 = dx * dx; in RHSJacobian()
159 values[0] = user->a * 1.0 / dx2; in RHSJacobian()
160 values[1] = -user->a * 2.0 / dx2; in RHSJacobian()
161 values[2] = user->a * 1.0 / dx2; in RHSJacobian()
/petsc/src/ksp/ksp/tutorials/
H A Dex74.c320 PetscReal dx, dx2; in Assemble_AdvDiff() local
324 dx2 = dx * dx; in Assemble_AdvDiff()
335 values[0] = -user->a * 1.0 / dx2; in Assemble_AdvDiff()
336 values[1] = user->a * 2.0 / dx2; in Assemble_AdvDiff()
337 values[2] = -user->a * 1.0 / dx2; in Assemble_AdvDiff()
/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
1082 dx2 = x[indx2] - xri; 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
1100 dx2 = x[indx2] - xri; 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()