{"coeffs": [-1.1162833382193589e-07, 0.049428349873407246, 1.6942563884717328, 0.14708378757513393], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [3.0860599565024113e-07, 17.85293608960929, 53.29040531079653, 0.019228127145493344], "covariance": [[9.523766055127664e-14, -3.859532443656802e-06, -1.1526999372747823e-05, -4.868658556675626e-09], [-3.859532443684042e-06, 318.72732701967385, 951.3899260394436, 0.3298522715719494], [-1.152699937283027e-05, 951.3899260394353, 2839.8672981889713, 0.9848125989223813], [-4.868658556696006e-09, 0.32985227157087255, 0.9848125989192132, 0.00036972087352325804]]}