{"coeffs": [-0.0747602192478829, 1.046590185247864e-07, 0.3495459958600729, 0.0009398770713044854], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2547022.8936695224, 3.1975662052033955e-08, 28.158149884091525, 2877.7691398136662], "covariance": [[6487325620876.667, -2.6511127095088598e-05, -163416.7446864268, 7329748392.019115], [-2.460603003512785e-09, 1.0224429636658841e-15, 1.2862556348199397e-07, -1.1569079860095143e-08], [-0.0, 1.2862556360206642e-07, 792.8814048949636, -71.29815138521779], [7329733697.120573, -4.152780494522272e-08, -255.93528696343571, 8281555.222063888]]}