{"coeffs": [4.681373649064341e-07, 0.738847447249293, 1.8652649371807004, 0.12761368312644936], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [4.869622165791184e-07, 2522.047434309081, 437.5443959667106, 0.017241214910852214], "covariance": [[2.3713220037564827e-13, -0.0008129647835655966, -0.0001410515635595223, -6.599117201879379e-09], [-0.0008129647839734005, 6360723.260905018, 1103507.7146386195, 41.704209192988245], [-0.0001410515636326944, 1103507.7146385445, 191445.09844187368, 7.2354038427092195], [-6.599117203588616e-09, 41.70420918530179, 7.23540384137425, 0.0002972594916021927]]}