\(G(x, y) = \frac{1}{2\pi\sigma_x\sigma_y} \exp^{-(\frac{x^2}{2\sigma^2_x} + \frac{y^2}{2\sigma^2_y})}\) function gaussian(sigma_x, sigma_y) x = -4:0.1:4; y = -4:0.1:4; [x, y] = meshgrid(x, y); z = exp(-(x.^2 / 2 * sigma_x^2 + y.^2 / 2 * sigma_y^2)) / (2 * pi * sigma_x * sigma_y); mesh(x, y, z) end
