{"coeffs": [-2.056324419530538e-06, 4.391070811019577e-05, 0.5161309232364173, 0.20126124826117964], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.2690190888606022e-06, 1.1684741103811727e-05, 0.0950923335601649, 0.04276350663465409], "covariance": [[1.6104094478925933e-12, -1.2239877170847182e-11, -9.572058040740907e-08, -5.0437312755903396e-08], [-1.2239877170847124e-11, 1.365331746631073e-10, 1.1076847237786903e-06, 4.799961986680916e-07], [-9.572058040740855e-08, 1.1076847237786896e-06, 0.009042551901917665, 0.003862564216864608], [-5.043731275590325e-08, 4.799961986680925e-07, 0.0038625642168646176, 0.0018287174996921046]]}