{"coeffs": [-5.312235335627311e-07, 0.2840064893918843, 1.8033675634104336, 0.14327404637592206], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [6.391133595981246e-07, 144.97485921999407, 73.65346616182653, 0.013317106515237013], "covariance": [[4.084658864168017e-13, -6.611377975435212e-05, -3.359857274282598e-05, -7.0749569843766154e-09], [-6.611377975597953e-05, 21017.7098058571, 10677.899991359835, 1.8570501208698489], [-3.359857274365604e-05, 10677.899991359673, 5424.833077651325, 0.943571062972491], [-7.074956984475721e-09, 1.8570501208505874, 0.9435710629626207, 0.0001773453259381681]]}