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/petsc/src/ts/tutorials/
H A Dex42.c33 PetscReal a, h, da, dh, d2a, d2h; in RHSFunction() local
58 d2a = d2h = 0.; in RHSFunction()
61 d2h += (x[2 * (i - 1) + 1] - h); in RHSFunction()
65 d2h += (x[2 * (i + 1) + 1] - h); in RHSFunction()
68 dxdt[2 * i + 1] = dh + D_h * d2h; in RHSFunction()