{"coeffs": [-1.06441614503968e-06, 0.31456063493326697, 2.2218263070218423, 0.19526815442235823], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [6.516963915169539e-07, 89.17864599863142, 55.67363854616485, 0.011732966838347595], "covariance": [[4.2470818671621883e-13, -4.822437391473915e-05, -3.011309446595842e-05, -7.033158220033489e-09], [-4.822437391295214e-05, 7952.8309021492205, 4964.899291330297, 1.0163940197212855], [-3.0113094464874072e-05, 4964.899291330433, 3099.554028969013, 0.6345911480372382], [-7.033158219892261e-09, 1.0163940197378507, 0.6345911480475193, 0.00013766251082976438]]}