{"coeffs": [-3.059573439018121e-06, 0.2974833106843463, 2.093062593364338, 0.19539159785405716], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [2.480887552068573e-06, 89.65399638140075, 59.38509818911359, 0.02431162922056694], "covariance": [[6.154803046008795e-12, -0.00018460492573701823, -0.00012232889151389073, -5.5486052193699535e-08], [-0.0001846049257321012, 8037.839067156218, 5324.1099729207235, 2.1173135128036518], [-0.00012232889151064734, 5324.109972920879, 3526.589886930662, 1.4027164916349475], [-5.548605219300447e-08, 2.1173135128247047, 1.4027164916487251, 0.0005910553153583244]]}