{"coeffs": [-1.0191495451900073e-07, 0.11692190757593, 1.2615077749521524, 0.06916282284443517], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [3.156968639091331e-08, 102.15796473387212, 60.62762589716994, 0.003725756833256955], "covariance": [[9.966450988206173e-16, -1.3495785663561904e-06, -8.010720452764463e-07, -6.252897788282093e-11], [-1.3495785659459025e-06, 10436.249758567059, 6193.5947816326425, 0.36405795023586823], [-8.010720450173603e-07, 6193.594781632956, 3675.7090219271913, 0.2160682608998223], [-6.252897787201026e-11, 0.3640579502696459, 0.21606826091991033, 1.3881263980560892e-05]]}