{"coeffs": [-1.8281981297660284e-06, 6.55061164726417e-05, 0.40891262281250595, 0.14813051658360213], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.725942626894447e-07, 1.2724924391193902e-06, 0.005635020274063456, 0.003768987817243594], "covariance": [[7.430763205120197e-14, -2.453707032289445e-13, -8.529410998467077e-10, -8.861022450753468e-10], [-2.4537070322894445e-13, 1.619237007616015e-12, 6.965708910809072e-09, 4.454038092321313e-09], [-8.529410998467069e-10, 6.965708910809071e-09, 3.175345348910619e-05, 1.818141506624125e-05], [-8.861022450753469e-10, 4.454038092321314e-09, 1.8181415066241256e-05, 1.4205269166530633e-05]]}