{"coeffs": [-4.681581564350005e-06, 6.67948186854568e-05, 0.4667669775813113, 0.21756365374319794], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.1144509637186445e-06, 4.28986935611472e-06, 0.02200361655873918, 0.016187851106820902], "covariance": [[1.2420009505334157e-12, -4.127096707825388e-12, -1.8739115647449238e-08, -1.7188983326524276e-08], [-4.127096707825405e-12, 1.8402979092532123e-11, 9.282886540398522e-08, 6.704058155792046e-08], [-1.873911564744934e-08, 9.282886540398533e-08, 0.0004841591416640211, 0.00032518657876529143], [-1.7188983326524303e-08, 6.704058155792033e-08, 0.0003251865787652904, 0.00026204652345660276]]}