Matlab Codes For Finite Element Analysis M Files May 2026

% Set the number of elements nx = 10; ny = 10;

$$-\frac{d^2u}{dx^2} = f$$

$$u(0) = u(1) = 0$$

% Solve the linear system u = K\F;

% Plot the solution x = 0:(1/(nx+1)):1; plot(x, u); xlabel('x'); ylabel('u(x)'); This M-file implements the basic steps of FEA for the 1D Poisson equation. The poisson1d function takes two inputs: f , a function handle for the source term, and nx , the number of elements. The function returns the solution vector u . matlab codes for finite element analysis m files