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Table 2 Numerical results for the far-field pattern \(u_{\infty }(d)\) with \(k = 5\)

From: On the numerical solutions of two-dimensional scattering problems for an open arc

n \(\operatorname{Re}(e_{\infty }(d))\) ratio \(\operatorname{Re}(e^{E}_{\infty }(d))\) \(\operatorname{Im}(e_{\infty }(d))\) ratio \(\operatorname{Im}(e^{E}_{\infty }(d))\)
32 2.3166E−2 1.0459E−2
64 2.7547E−3 8.4096 1.6118E−4 1.2172E−3 8.5930 1.0312E−4
128 3.4001E−4 8.1017 4.9395E−6 1.5062E−4 8.0808 1.7397E−6
256 4.1964E−5 8.1024 6.1389E−7 1.8663E−5 8.0707 1.8853E−7