{"coeffs": [-7.845240001185702e-06, 0.00014420480897753033, 0.5074378739521154, 0.20710457841758825], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.5698772741605e-06, 1.9779705665109362e-05, 0.048206846546068084, 0.02826432519592811], "covariance": [[1.27440237525676e-11, -6.003010244420654e-11, -1.3565391543004822e-07, -9.534914705782623e-08], [-6.003010244420688e-11, 3.9123675619835946e-10, 9.46351512868838e-07, 5.387688709681506e-07], [-1.3565391543004912e-07, 9.463515128688388e-07, 0.0023239000539161565, 0.0012742091111176304], [-9.534914705782651e-08, 5.387688709681494e-07, 0.0012742091111176265, 0.0007988720787811766]]}