{"coeffs": [1.2563742968803702e-07, 0.28504484928359125, 1.519790197294667, 0.09145523755832133], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [1.2105198890745718e-07, 993.3053049220342, 320.1558113019985, 0.011221841979827538], "covariance": [[1.465358401845114e-14, -6.188902634794956e-05, -1.9949615302098757e-05, -8.701883365689147e-10], [-6.188902641015865e-05, 986655.4287862554, 318012.4640779864, 10.644847354032429], [-1.9949615323017397e-05, 318012.46407795197, 102499.74351044087, 3.431088851733735], [-8.701883370267352e-10, 10.644847350544557, 3.4310888506098047, 0.00012592973742021966]]}