{"coeffs": [-1.7404288425700558e-06, 0.19385641907369297, 2.164405782070574, 0.18791996182418363], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [4.3314215808194315e-07, 63.821492162966805, 62.458654608582734, 0.012832061684184829], "covariance": [[1.8761212910788304e-13, -2.260171109351757e-05, -2.2124333604052803e-05, -5.0665345544315545e-09], [-2.2601711092665094e-05, 4073.182861907633, 3986.204205588792, 0.7944995446086396], [-2.2124333603235535e-05, 3986.2042055888937, 3901.0835355142335, 0.777612853016668], [-5.066534554337922e-09, 0.7944995446211643, 0.7776128530288471, 0.0001646618070667244]]}