{"coeffs": [-5.00993448010806e-07, 3.703980178944145e-05, 0.4336985683677674, 0.12872748258578517], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [6.704412320936758e-07, 4.141575972959783e-06, 0.030225581909706735, 0.017709488821451944], "covariance": [[4.494914456912861e-13, -1.7679177708218705e-12, -1.0326564092482724e-08, -9.552405553443764e-09], [-1.767917770821874e-12, 1.7152651539797775e-11, 1.2230723432801477e-07, 6.734708231801997e-08], [-1.0326564092482745e-08, 1.223072343280148e-07, 0.0009135858017803911, 0.00046343189597222105], [-9.552405553443774e-09, 6.734708231801992e-08, 0.0004634318959722206, 0.00031362599431713134]]}