{"coeffs": [-6.559084028462152e-08, 2.2555997070127795e-10, -0.2613730494255935, 0.00030463044634123656], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [2.5588211127887273e-08, 1.7480072473275432e-08, 342769.6934967563, 129319.82607590866], "covariance": [[6.547565487253341e-16, -3.975375419294392e-33, -2.3466474546124626e-11, 9.881417826268372e-12], [-1.987687709647196e-33, 3.0555293367096153e-16, 3.75463592737994e-11, -7.37131611344321e-12], [-2.3466474546124626e-11, 3.75463592737994e-11, 117491062779.86026, -44326917147.09304], [1.0559913545756081e-11, -4.693294909224925e-12, -44326917147.09304, 16723617416.303265]]}