{ "math_check": { "errors": [ [ 2, 0.00023946176802969177 ], [ 4, 1.480244618035087e-05 ], [ 8, 9.225835255755044e-07 ], [ 16, 5.762129573483321e-08 ], [ 32, 3.6007028469953184e-09 ] ], "observed_orders": [ 4.015887823199733, 4.004012267442911, 4.0010055226843955, 4.0002516537241375 ], "expected_order": 4 }, "stiff_test": [ { "method": "unconstrained", "final": 0.9999999999927464, "abs_error": 7.25364213138846e-12, "max_constraint_violation": 0.035700124241365705, "mean_residual": 1.1225374286524402e-16, "inner_iterations": 0 }, { "method": "clip", "final": 0.9999999999927464, "abs_error": 7.25364213138846e-12, "max_constraint_violation": 0.0, "mean_residual": 1.1225374286524402e-16, "inner_iterations": 0 }, { "method": "constrained", "final": 1.0, "abs_error": 0.0, "max_constraint_violation": 0.0, "mean_residual": 0.005473291895381082, "inner_iterations": 45 } ] }