{"coeffs": [-8.205393201902485e-06, 0.04383787547702684, 3.5990040196211157, 0.44031169315056806], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [3.2609773049528795e-06, 8.87130797805127, 90.24788174552845, 0.11437234217206256], "covariance": [[1.0633972983417745e-11, -2.7884640489281633e-05, -0.00028374908933494235, -3.689735738016127e-07], [-2.7884640494929205e-05, 78.7001052414361, 800.6163242226112, 1.006199880009697], [-0.00028374908939223957, 800.616324221988, 8144.680159554887, 10.237447595891412], [-3.689735738391561e-07, 1.0061998799114944, 10.237447594900363, 0.01308103265392336]]}