{"coeffs": [-1.5747036353956795e-06, 4.772260939777041e-05, 0.40609003856274467, 0.16197706825746525], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.55296512404996e-07, 8.613269954507431e-07, 0.0054361190413588605, 0.0032654617039159315], "covariance": [[2.411700676515508e-14, -1.0289494569746549e-13, -5.676474423949146e-10, -4.565050088673465e-10], [-1.0289494569746544e-13, 7.418841930922045e-13, 4.615768947047696e-09, 2.6585720996505142e-09], [-5.676474423949137e-10, 4.615768947047695e-09, 2.9551390231824375e-05, 1.601396071875353e-05], [-4.565050088673465e-10, 2.6585720996505155e-09, 1.601396071875354e-05, 1.0663240139741538e-05]]}