{"coeffs": [-1.0048169930545335e-06, 0.29828508284347993, 2.023567701357102, 0.1629112116363928], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.5738065983221095e-06, 1014.1898660209462, 558.3631387947725, 0.07343259496899594], "covariance": [[6.624480405566428e-12, -0.002001051705855826, -0.001101893566017356, -1.6522346168210825e-07], [-0.0020010517059644434, 1028581.0843395847, 566286.2123826412, 71.91223596585489], [-0.0011018935660777804, 566286.2123826274, 311769.3947647504, 39.5944801437582], [-1.6522346168649734e-07, 71.91223596425637, 39.59448014287991, 0.005392346003880608]]}