{"coeffs": [-2.670830905182803e-08, 0.07893696934088756, 1.7404482650022683, 0.132114993179953], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [3.532752587160623e-08, 25.189598790712587, 42.50585888001406, 0.004538982241325511], "covariance": [[1.2480340842090071e-15, -5.799985142638785e-07, -9.789200174053734e-07, -1.2462846934620463e-10], [-5.799985144230083e-07, 634.515887237069, 1070.705492724328, 0.10956829339082871], [-9.789200176708233e-07, 1070.7054927242336, 1806.7480391276704, 0.18490438394551328], [-1.246284693637446e-10, 0.10956829338007588, 0.1849043839273754, 2.0602359787068363e-05]]}