{"coeffs": [-1.3514937595089922e-07, 0.00047729556596900054, 0.9321566381789355, 0.1516623167729207], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.232686365555144e-07, 0.00047210353164051224, 0.19055501613317127, 0.011934554280492763], "covariance": [[1.7915633869156417e-13, -1.5286550438486744e-10, -6.30858799902672e-08, -4.4306645145875665e-09], [-1.5286550438486674e-10, 2.2288174458744416e-07, 8.989489987874958e-05, 5.416499903090435e-06], [-6.308587999026716e-08, 8.989489987874958e-05, 0.036311214173513164, 0.002208367911088248], [-4.43066451458757e-09, 5.416499903090435e-06, 0.002208367911088248, 0.0001424335858740281]]}