{"coeffs": [-2.2070720998036862e-07, 3.460846902304849e-05, 0.4998007085066506, 0.11037386919699138], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.1470958686279064e-07, 4.112452896160612e-06, 0.027696155500731606, 0.011778474145557322], "covariance": [[9.904212406334838e-14, -7.199578161650983e-13, -4.347456294359645e-09, -2.664802343913589e-09], [-7.199578161650991e-13, 1.6912268823139806e-11, 1.1282327215663087e-07, 4.455512331862739e-08], [-4.347456294359647e-09, 1.1282327215663087e-07, 0.0007670770295207057, 0.00029663092230249364], [-2.6648023439135894e-09, 4.455512331862737e-08, 0.0002966309223024935, 0.00013873245319756227]]}