{"coeffs": [-1.0040830444642508e-08, 1.0287144546452886e-05, 0.6231886670828483, 0.07102211167595168], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.7760332755267355e-08, 3.6025810643334374e-06, 0.04284955579114542, 0.007981321870677618], "covariance": [[7.706360746831696e-16, -3.900072769853118e-14, -4.740230730271946e-10, -1.138267819828491e-10], [-3.9000727698530954e-14, 1.2978590325093844e-11, 1.5399319659814718e-07, 2.7002440301860338e-08], [-4.740230730271934e-10, 1.5399319659814724e-07, 0.001836084431498484, 0.00032693649085135983], [-1.1382678198284876e-10, 2.7002440301860378e-08, 0.00032693649085136016, 6.370149880335689e-05]]}