{"coeffs": [-1.090490408426646e-06, 3.823780179672602e-05, 0.4822252319145377, 0.1804680951120806], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.4668685030546703e-07, 1.1512839547665522e-06, 0.010074350048943196, 0.004993785358816758], "covariance": [[2.1517032052538497e-14, -1.3319461251791709e-13, -1.0872996708126135e-09, -6.658185884243906e-10], [-1.3319461251791683e-13, 1.3254547445029126e-12, 1.1529078741644155e-08, 5.474770650011482e-09], [-1.0872996708126112e-09, 1.1529078741644155e-08, 0.00010149252890864177, 4.6925572791942345e-05], [-6.6581858842439e-10, 5.474770650011486e-09, 4.6925572791942385e-05, 2.493789220993262e-05]]}