Elliptic Integral Degenerate RC x y actual rc(x,y) 0.10 0.10 3.162278e+00 3.162278e+00 0.00 0.25 3.141593e+00 3.141593e+00 0.06 0.12 3.141593e+00 3.141593e+00 2.25 2.00 6.931472e-01 6.931472e-01 100.00 100.00 1.000000e-01 1.000000e-01