{"coeffs": [-8.390655900743374e-06, 0.0002268967342045782, 0.7161634094766235, 0.2642635714371058], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.5696261715745487e-06, 3.8941951105723176e-05, 0.07496644538060644, 0.02041222361026883], "covariance": [[2.4637263184917748e-12, -5.462185671163827e-11, -1.0564114045200389e-07, -3.081574319293027e-08], [-5.4621856711637614e-11, 1.5164755559205344e-09, 2.9179326618405932e-06, 7.761899481586257e-07], [-1.0564114045200255e-07, 2.9179326618405932e-06, 0.00561996793300345, 0.00149994706310156], [-3.081574319293011e-08, 7.761899481586295e-07, 0.0014999470631015667, 0.0004166588727156162]]}