{"coeffs": [-8.505049551988368e-08, 0.16471304529564168, 1.5270466581238655, 0.08678556247486448], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [6.424085849448508e-08, 4521.074833874164, 2387.44287480298, 0.029597339553998292], "covariance": [[4.126887900108455e-15, -0.00013717873663585364, -7.244285505481968e-05, -1.131782445153655e-09], [-0.0001371787367866358, 20440117.6534903, 10793807.889702544, 127.69845517366245], [-7.244285513775283e-05, 10793807.889702035, 5699883.480447518, 67.43454752411569], [-1.1317824458101397e-09, 127.69845512720303, 67.43454749956256, 0.0008760025086746718]]}