running 1 test step = 0, x = 0.00, y = 2.000000000000000E+00 -6.000000000000000E-01 step = 14, x = 0.20, y = 1.858193270854655E+00 -7.575101255756231E-01 step = 15, x = 0.40, y = 1.693203123722821E+00 -9.069127086067541E-01 step = 17, x = 0.60, y = 1.484568811304371E+00 -1.233096041433422E+00 step = 26, x = 0.80, y = 1.083920681222182E+00 -6.195489374899131E+00 step = 127, x = 1.00, y = -1.863647684640764E+00 7.535336997437251E-01 step = 128, x = 1.20, y = -1.699726525700276E+00 8.997803216820141E-01 step = 130, x = 1.40, y = -1.493380180170898E+00 1.213868996692300E+00 step = 137, x = 1.60, y = -1.120792932708669E+00 4.374425849430548E+00 step = 241, x = 1.80, y = 1.869055755232369E+00 -7.495776558055867E-01 step = 242, x = 2.00, y = 1.706163410178069E+00 -8.927971289309894E-01 step = 242, x = 2.00, y = 1.706163410178069E+00 -8.927971289309896E-01 Radau5: Radau method (Radau IIA) (implicit, order 5, embedded) Number of function evaluations = 2249 Number of Jacobian evaluations = 162 Number of factorizations = 253 Number of lin sys solutions = 668 Number of performed steps = 280 Number of accepted steps = 242 Number of rejected steps = 8 Number of iterations (maximum) = 6 y = 1.706163410178069E+00 -8.927971289309896E-01 h = 1.510987114560156E-01