Lines Matching refs:vt
245 PetscReal zero = 0.0, vb, vl, vr, vt, dvdx, dvdy, flin = 0.0, fquad = 0.0; in FormFunction() local
260 vt = zero; in FormFunction()
263 if (i > -1 && j < ny - 1) vt = x[k + nx]; in FormFunction()
265 dvdy = (vt - v) / hy; in FormFunction()
267 flin -= cdiv3 * (v + vr + vt); in FormFunction()
317 PetscReal vb, vl, vr, vt, dvdx, dvdy; in FormGradient() local
334 vt = zero; in FormGradient()
337 if (i > -1 && j < ny - 1) vt = x[k + nx]; in FormGradient()
339 dvdy = (vt - v) / hy; in FormGradient()
521 PetscReal v, vb, vl, vr, vt, hxhx, hyhy; in HessianProduct() local
545 vt = zero; in HessianProduct()
554 vt = s[k + nx]; in HessianProduct()
556 val = hyhy * (vt - v); in HessianProduct()
561 val = hxhx * (v - vr) + hyhy * (v - vt); in HessianProduct()