{"coeffs": [-1.6140447261132023e-06, 6.464612195319192e-05, 0.4350211456610901, 0.15355806569110209], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.7647217622827336e-07, 1.0295226654205762e-06, 0.0047624044951337045, 0.002815909773162859], "covariance": [[3.114242898274277e-14, -1.3142145020783379e-13, -5.175307998275549e-10, -4.3225998646430997e-10], [-1.3142145020783369e-13, 1.0599169186146875e-12, 4.820596839345924e-09, 2.71247587871452e-09], [-5.175307998275543e-10, 4.820596839345923e-09, 2.268049657526971e-05, 1.1928313001263708e-05], [-4.3225998646430997e-10, 2.712475878714521e-09, 1.1928313001263717e-05, 7.929347850594103e-06]]}