{"coeffs": [-5.123686282172265e-06, 3.726235771074574e-05, 0.6683407074822355, 0.41042345773288064], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.9142086649531186e-06, 1.1032155188313924e-05, 0.17318502715160236, 0.09471195887326489], "covariance": [[3.6641948129816e-12, -2.0246315818107188e-11, -3.1316665064856795e-07, -1.7920256139553452e-07], [-2.0246315818106354e-11, 1.2170844809904185e-10, 1.9083905820764085e-06, 1.0341721830007011e-06], [-3.131666506485531e-07, 1.908390582076397e-06, 0.029993053629501245, 0.016118847955988374], [-1.7920256139553094e-07, 1.0341721830007217e-06, 0.016118847955988794, 0.00897035515361102]]}