{"coeffs": [-4.7062894487375726e-06, 7.652118613354945e-05, 0.3973876281951824, 0.18122108956702776], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [6.413478916334881e-07, 1.5925824752736567e-06, 0.005873975433490893, 0.005874305474745366], "covariance": [[4.1132711810272045e-13, -8.281829584642112e-13, -2.063812839582259e-09, -3.508333550529913e-09], [-8.281829584642109e-13, 2.5363189405487672e-12, 8.673889869635209e-09, 8.873404390397417e-09], [-2.0638128395822585e-09, 8.67388986963521e-09, 3.450358739325453e-05, 2.716741959667462e-05], [-3.5083335505299117e-09, 8.873404390397417e-09, 2.7167419596674615e-05, 3.450746481062338e-05]]}