% Run the solver u = poisson2d(f, nx, ny);
% Assemble the global stiffness matrix K = zeros((nx+1)*(ny+1), (nx+1)*(ny+1)); for i = 1:nx for j = 1:ny idx = (i-1)*(ny+1) + j; K(idx:idx+1, idx:idx+1) = K(idx:idx+1, idx:idx+1) + Ke; end end matlab codes for finite element analysis m files
the M-file becomes more complex. We need to generate a 2D mesh, assemble the element stiffness matrices, and apply boundary conditions. % Run the solver u = poisson2d(f, nx,
% Set the number of elements nx = 10; ny = 10; idx:idx+1) = K(idx:idx+1