{"coeffs": [-8.132811921690639e-07, 0.0003856044840607475, 0.8185976818788523, 0.14913764181413047], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.6803901594944165e-07, 4.143718527275374e-05, 0.02339245414480121, 0.002769132202493029], "covariance": [[2.823711088125671e-14, -5.08811736006459e-12, -2.9493100474701087e-09, -3.9559780663606746e-10], [-5.0881173600644624e-12, 1.7170403233285196e-09, 9.681048760530903e-07, 1.100537925150831e-07], [-2.94931004747005e-09, 9.681048760530918e-07, 0.0005472069109166272, 6.291890243419822e-05], [-3.955978066360619e-10, 1.1005379251508416e-07, 6.291890243419874e-05, 7.668093154883894e-06]]}