from skfem import * m = MeshTri() m.refine(4) e = ElementTriP1() basis = InteriorBasis(m, e) @bilinear_form def laplace(u, du, v, dv, w): return du[0]*dv[0] + du[1]*dv[1] @linear_form def load(v, dv, w): return 1.0*v A = asm(laplace, basis) b = asm(load, basis) I = m.interior_nodes() x = 0*b x[I] = solve(*condense(A, b, I=I)) m.plot3(x) m.show()
Please see the directory examples for more instructions.