Discretise spatial domain into 4 linear elements and derive Finite element equations based on Galerkin method of an unsteady two-point BVP: ut - xx = 1, x + (0,1),t 6 (0,1) subject to IC: u(x,0) = 0, and . u(0,t) = f, u(1,t) = g ax ax Discretise spatial domain into 4 linear elements and derive Finite element equations based on Galerkin method of an unsteady two-point BVP: ut - xx = 1, x + (0,1),t 6 (0,1) subject to IC: u(x,0) = 0, and . u(0,t) = f, u(1,t) = g ax ax