How to Create a 2D Filter in MATLAB. ... test_array = rand(512,512); Create a 2D array with the properties you desire in your analysis. For example, a 5-by-5 filter containing all ones ...

The 1D array of cavities. Shown in Fig. 1a is our simulation system. It consists of an array of N nominally identical cavities that are coupled along the x direction. The system size, N, does not ...