{"coeffs": [-2.3182906783334436e-06, 8.693511194277885e-05, 0.3463116753733841, 0.14461166102931108], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.944894919595539e-07, 1.0570564622560083e-06, 0.003390632741258607, 0.0031035040369947575], "covariance": [[1.5562195926650695e-13, -2.9075041243123474e-13, -5.007235422927856e-10, -1.0612819643497075e-09], [-2.9075041243123433e-13, 1.1173683643971878e-12, 3.2479389825200312e-09, 3.002911855833616e-09], [-5.007235422927837e-10, 3.2479389825200283e-09, 1.1496390386094856e-05, 7.592739822782617e-06], [-1.0612819643497064e-09, 3.0029118558336173e-09, 7.592739822782628e-06, 9.631737307642757e-06]]}