{ "kappa": 4.0, "cube_half_width": 1.25, "q": 8, "L": 2, "interior_order_p": 12, "n_tx": 128, "n_rx": 128, "rho": 2.5, "matrix_shape": [ 128, 128 ], "matrix_layout": "M[j_rx, i_tx] = u^s(w_i, r_j), row-major flatten", "n_scatterers_max": 3, "R_range": [ 0.15, 0.35 ], "A_range": [ -0.5, -0.1 ], "c_max": 1.1, "bump": "A*(1-(r/R)^2)^4 for r