{"coeffs": [-2.1481083655650967e-06, 6.187781609724095e-05, 0.43433483718676447, 0.17032198874074692], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.9499548795405622e-07, 1.0594575205261454e-06, 0.0054161974181031235, 0.0032919217290807144], "covariance": [[3.8023240322440485e-14, -1.585342637291126e-13, -7.04396550634437e-10, -5.772997519325209e-10], [-1.585342637291126e-13, 1.1224502377994075e-12, 5.65213030500852e-09, 3.2943414222612807e-09], [-7.043965506344368e-10, 5.65213030500852e-09, 2.9335194471866937e-05, 1.6037034721122708e-05], [-5.772997519325207e-10, 3.2943414222612807e-09, 1.6037034721122708e-05, 1.083674867039376e-05]]}