{"coeffs": [-3.348150076016927e-06, 8.110283225815966e-05, 0.5028342060633397, 0.18804486569973364], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [9.87103058892632e-07, 8.844025206578146e-06, 0.037173690493311366, 0.017122658078659873], "covariance": [[9.743724488751909e-13, -7.011134642062373e-12, -2.8026680631121087e-08, -1.549317585869026e-08], [-7.011134642062376e-12, 7.821678185458963e-11, 3.2742959435053815e-07, 1.447704142225492e-07], [-2.8026680631121077e-08, 3.2742959435053815e-07, 0.001381883264892508, 0.0006001140683412417], [-1.549317585869026e-08, 1.4477041422254924e-07, 0.0006001140683412416, 0.0002931854196786962]]}