{"coeffs": [1.3750694896610013e-08, 0.07130541490900737, 1.4383186931146232, 0.09713505191176222], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [6.67842396916834e-08, 30.853574236963908, 42.30644995907754, 0.006117171668929879], "covariance": [[4.46013467119622e-15, -1.111569026646073e-06, -1.5246903712362207e-06, -2.723805722981883e-10], [-1.1115690265183543e-06, 951.943043195843, 1305.3051081875747, 0.180284090423928], [-1.524690371062256e-06, 1305.3051081876304, 1789.8357081399317, 0.24723350987542947], [-2.7238057228135767e-10, 0.1802840904305137, 0.24723350988440693, 3.741978922715835e-05]]}