{"coeffs": [-1.6942213276162767e-07, 0.08918050049497829, 1.2019038353977864, 0.06730807043787904], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [2.7266768505691462e-08, 25.6989074800581, 19.384752253120286, 0.0022278274262234983], "covariance": [[7.434766647429677e-16, -2.8788599821106304e-07, -2.1721855207092323e-07, -3.173181057836826e-11], [-2.8788599824225477e-07, 660.4338456685862, 498.1669336468839, 0.05478330880414982], [-2.172185520945619e-07, 498.1669336468705, 375.768619914852, 0.041326830044540235], [-3.1731810580254754e-11, 0.054783308802614325, 0.04132683004337914, 4.963215041033617e-06]]}