{"coeffs": [-9.488628335429507e-07, 0.23929829759725996, 2.108939600325676, 0.1805757131434023], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [6.113354277758867e-07, 100.98029321411661, 76.67131424826745, 0.015063030885671557], "covariance": [[3.737310052539264e-13, -4.965378925899639e-05, -3.7709722707204826e-05, -8.308273670591367e-09], [-4.96537892553812e-05, 10197.019617608965, 7742.291176450161, 1.473691216083491], [-3.7709722704477806e-05, 7742.291176450511, 5878.490428556579, 1.1190436446450247], [-8.308273670250737e-09, 1.4736912161262288, 1.1190436446773453, 0.00022689489946269524]]}