{"coeffs": [-1.961089105926875e-06, 0.00018281341830556191, 0.9074541810152938, 0.18458815606748638], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.2822858627447418e-06, 0.0010136392945620677, 1.3796969960678052, 0.12339077741388159], "covariance": [[5.208828759284511e-12, -1.8347313320231124e-09, -2.552631021158131e-06, -2.525363022056825e-07], [-1.834731332023275e-09, 1.0274646194802863e-06, 0.0013972768905441213, 0.00012078483898351592], [-2.5526310211583106e-06, 0.0013972768905441135, 1.9035638009585254, 0.16606614081204962], [-2.5253630220569215e-07, 0.00012078483898351152, 0.16606614081204454, 0.015225283950802072]]}