📄 test_periodic_laplacian.m
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% test for laplacian resolution with periodic boundary conditions% generate random functionname = 'regular3';options.bound = 'per';n = 128;M = load_image(name, n, options);M = 1+rescale(M);[gx,gy] = grad(M,options);d = div(gx,gy,options);G = compute_periodic_poisson(d);% should be zeronorm(G-M+mean(M(:)))
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