{"coeffs": [-2.017194352378375e-08, 0.2708169708472641, 1.377738817883848, 0.08198059484694968], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [1.3916491402686439e-07, 376.02838948095683, 114.31744212364288, 0.0072461231042327025], "covariance": [[1.9366873296104553e-14, -2.476158844558015e-05, -7.529135059013898e-06, -6.001735384531502e-10], [-2.4761588441201845e-05, 141397.34969564216, 42986.60299260999, 2.6022252458833126], [-7.529135057486899e-06, 42986.60299261147, 13068.47757369244, 0.791152706265127], [-6.001735383917464e-10, 2.602225246041485, 0.7911527063133358, 5.2506300041694976e-05]]}