{"coeffs": [-4.043306534810659e-06, 9.122959433850516e-05, 0.45356472123121, 0.21159415178556334], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.9693801545420435e-06, 2.62901382350468e-05, 0.10492375468053337, 0.06341495615281435], "covariance": [[2.4694739120356304e-11, -1.0988732911586395e-10, -4.0168978424490904e-07, -2.9647277419956203e-07], [-1.0988732911586428e-10, 6.911713684178696e-10, 2.733246633086337e-06, 1.602734022505228e-06], [-4.016897842449105e-07, 2.733246633086338e-06, 0.01100899429626075, 0.006176514466144433], [-2.9647277419956256e-07, 1.6027340225052258e-06, 0.00617651446614442, 0.004021456663863367]]}