{"coeffs": [-2.8629614450793756e-06, 0.0001237388977877576, 0.36594163310756633, 0.1390975168220007], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.0876750434885512e-06, 3.493912669048725e-06, 0.007855131472717505, 0.0064655134804719435], "covariance": [[1.1830370002278219e-12, -2.575781880598174e-12, -3.5269679119868496e-09, -5.977038997945696e-09], [-2.575781880598171e-12, 1.2207425738939184e-11, 2.5558755347222372e-08, 2.063935835131807e-08], [-3.5269679119868443e-09, 2.5558755347222365e-08, 6.170309045367709e-05, 3.886060323832953e-05], [-5.977038997945692e-09, 2.0639358351318074e-08, 3.886060323832955e-05, 4.180286456616442e-05]]}