{"coeffs": [-1.010869424522539e-05, 0.0001356730908353592, 0.5172910635751939, 0.2570321713748289], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.407232871354613e-06, 1.6071185449874874e-05, 0.04969195138454672, 0.025751608994319344], "covariance": [[5.794770096930174e-12, -3.4378456325538587e-11, -1.0238296687135651e-07, -5.964492867767032e-08], [-3.437845632553853e-11, 2.5828300176426984e-10, 7.96195677024121e-07, 4.0274961890717575e-07], [-1.0238296687135637e-07, 7.96195677024121e-07, 0.0024692900324041543, 0.0012268990333745636], [-5.964492867767029e-08, 4.0274961890717607e-07, 0.0012268990333745644, 0.0006631453657963089]]}