{"coeffs": [-3.6030560562132897e-07, 9.557860758907261e-06, 0.6405709161268909, 0.07829117508703227], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [6.951996250140793e-07, 0.00011337013084423613, 1.4828028958703268, 0.24668887683952315], "covariance": [[4.833025186197164e-13, -3.3322062984326875e-11, -4.4850641497413045e-07, -9.444591808434413e-08], [-3.332206298432659e-11, 1.285278656763922e-08, 0.00016773315633725734, 2.632387218962022e-05], [-4.485064149741263e-07, 0.00016773315633725736, 2.1987044280014274, 0.3505146993302896], [-9.444591808434393e-08, 2.6323872189620272e-05, 0.3505146993302901, 0.060855401956345416]]}