Approximate solution 1 Approximation methods 1 Boundary conditions 1 Exact solution 1 Explicit finite difference method 1 Finite difference method 1 Fractional order 1 Fractional order pseudo-parabolic differential equation 1 Laplace decomposition methods 1 Laplace transforms 1 Modified double Laplace decomposition method 1 Modified double laplace decomposition method 1 Numerical methods 1 Numerical solution 1 Parabolic differential equation 1 Partial differential equations 1 Stability 1