{"coeffs": [-0.548232684025215, 0.5446859053506612, -3505.3852186428508, 10528.87045112373], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [3.740061855353931, 4.501010161554942, 26650.28350390647, 85503.50115501964], "covariance": [[53230430218325.375, -61158337543146.18, -1.34644254957609e+17, -1.1896763470882417e+18], [-61158337543146.19, 77094321978104.3, 2.8169101174109795e+17, 1.4585779399377508e+18], [-1.3464425495760901e+17, 2.8169101174109795e+17, 2.7027512273851274e+21, 4.715229208271931e+21], [-1.1896763470882417e+18, 1.4585779399377508e+18, 4.71522920827193e+21, 2.7820837733752193e+22]]}