1*c4762a1bSJed Brown[10 x 10]=>[20 x 20], interp err = 1.9079e+00 2*c4762a1bSJed Brown[20 x 20]=>[40 x 40], interp err = 3.7490e-01 3*c4762a1bSJed Brown[40 x 40]=>[80 x 80], interp err = 7.6222e-02 4*c4762a1bSJed Brown[80 x 80]=>[160 x 160], interp err = 1.7144e-02 5*c4762a1bSJed Brown[160 x 160]=>[320 x 320], interp err = 4.0510e-03 6*c4762a1bSJed Brown[320 x 320]=>[640 x 640], interp err = 9.8338e-04 7