{"coeffs": [-9.316189395428742e-07, 0.34861526107551316, 2.003216417649058, 0.1646827301493058], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [3.7345230844189244e-07, 94.77878419450765, 45.00262810624591, 0.007346835147916304], "covariance": [[1.3946662668057835e-13, -2.7280337885570373e-05, -1.2956168607687437e-05, -2.4072686724235153e-09], [-2.7280337892747287e-05, 8983.017933389054, 4265.294109285915, 0.6725958977081017], [-1.2956168611133996e-05, 4265.294109285318, 2025.2365364690743, 0.31939061502343175], [-2.407268672739062e-09, 0.6725958976370168, 0.3193906149896493, 5.397598669065838e-05]]}