Lines Matching refs:dx
23 PetscReal dx; /* the grid space in x-direction */ member
64 data.dx = 1.0 / (data.m + 1.0); in main()
199 PetscReal x, y, dx, dy; in Initial() local
206 dx = data->dx; in Initial()
219 x = dx * row; in Initial()
277 PetscReal dx, dy, a, epsilon, xc, xl, xr, yl, yr; in RHSJacobian() local
283 dx = data->dx; in RHSJacobian()
288 xc = -2.0 * epsilon * (1.0 / (dx * dx) + 1.0 / (dy * dy)); in RHSJacobian()
289 xl = 0.5 * a / dx + epsilon / (dx * dx); in RHSJacobian()
290 xr = -0.5 * a / dx + epsilon / (dx * dx); in RHSJacobian()
405 PetscReal dx, dy; in RHSFunction() local
420 dx = data->dx; in RHSFunction()
425 xc = -2.0 * epsilon * (1.0 / (dx * dx) + 1.0 / (dy * dy)); in RHSFunction()
426 xl = 0.5 * a / dx + epsilon / (dx * dx); in RHSFunction()
427 xr = -0.5 * a / dx + epsilon / (dx * dx); in RHSFunction()