{"coeffs": [-7.125180321899271e-07, 0.03974122226565751, 3.1509019016117708, 0.3101230439213125], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-07, "errors": [4.925280019273719e-06, 454.29291803219564, 3552.4998230719902, 0.8249218688949443], "covariance": [[2.4258383268256927e-11, -0.002060471241070832, -0.016114703670101246, -3.948815758166592e-06], [-0.0020604712418899876, 206382.0553742072, 1613875.4190005173, 368.5963772347356], [-0.016114703676519595, 1613875.418999979, 12620254.992926523, 2882.544564208714], [-3.948815758962055e-06, 368.59637716779844, 2882.5445636860572, 0.6804960897811277]]}